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\n\t\t\t
1. Introduction
\n\t\t\t
“In the era of industrialization, mining and heavy industry became a major factor in the national economy” (Schreck, 1998). Since industry has become an essential part of modern society, waste production is an inevitable outcome of the developmental activities. In the past industry was geared solely towards economic aspects and totally neglected ecological issues. These industries release huge quantities of wastes into the environment in the form of solid, liquid and gases. A substantial amount of these wastes is potentially hazardous to the environment and are extremely dangerous to the living organisms including human beings.
\n\t\t\t
South Africa’s re-integration into the global economy and the Southern African political arena necessitates an improved pollution and waste management system. The country’s economic and industrial policy has also turned towards export promotion as a pillar of South Africa’s development. Therefore, the country has a growing obligation to meet international commitments and to be a globally responsible country. The government therefore promotes an integrated approach to pollution and waste management as a key factor in achieving sustainable development.
\n\t\t\t
The integrated pollution and waste management policy is driven by a vision of environmentally sustainable economic development. This vision promotes a clean, healthy environment, and a strong, stable economy. By preventing, minimizing, controlling and mitigating pollution and waste, the environment is protected from degradation by enhancing sustainable development.
\n\t\t\t
Having outlined all these, there is still a concern with both the detrimental health effects and environmental impacts of sub-optimal management of waste and increasing levels of pollution in South Africa.
\n\t\t\t
The constitution of South Africa (Act 108 of 1996) established the Bill of Rights that ensures that everyone has the right to an environment that is not harmful to their health and well being. Legislative and other measures should be used to ensure that the environment is conserved and protected for future generations.
\n\t\t\t
According to (Karani & Jewasikiewitz, 2007), in the past, the waste management sector was dominated by private sector with selective operations in what makes business sense through recycling of saleable products. Materials mostly recycled included paper and hard board, plastics, glass, tinplate and aluminum. The rest of the waste materials estimated at 10.2 million tons of both general and hazardous end up in landfills.
\n\t\t\t
South Africa’s Emissions per capita in 1999 were estimated at 7.8 metric tons of carbon dioxide (CO2) equivalent and volumes of waste generated in 1992 and 1997 both general and hazardous accumulated to about 500 million tons (Department of Water Affairs [DWA], 1998).
\n\t\t\t
Given this state of development the country has diverse waste stream, the management of which varies in approach, efficiency and complexity depending on the responsibility of local authority. Waste generation rates for the different market segments are shown in Table 1. The table shows that mining was the largest contributor of waste to this increase followed by industrial, power, land use, domestic and trade and sewage. In 1997, the trend in the table shows that mining was still leading in waste generation while a decline was realized in industrial, domestic and trade and sewage. This trend could be as a result of international standards that impact directly on waste generation.
\n\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t\t\t\tWaste stream\n\t\t\t\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t\t\t\t1992 (CSIR study)\n\t\t\t\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t\t\t\t1997\n\t\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t
Mining Industrial Power generation Agriculture and Forestry Domestic and trade Sewage sludge \n\t\t\t\t\t\t\tTotal\n\t\t\t\t\t\t
\n\t\t\t\t\t\taThe table provides information extracted from a study on waste generation rates in millions tons per year in South Africa. The study was conducted by the Council for Scientific and industrial research.
Waste generation rates in South Africa in 1992 and 1997a\n\t\t\t\t\t
\n\t\t\t
There are ample evidence that improper disposal of these wastes may cause contamination of air (via volatilization and fugitive dust emissions); surface water (from surface runoff or overland flow and groundwater seepage); ground water (through leaching/infiltration); soils (due to erosion, including fugitive dust generation/deposition and tracking); sediments (from surface runoff/overland flow seepage and leaching) and biota (due to biological uptake and bioaccumulation). According to (Misra & Pandey, 2005), contamination of ground water by landfill leachate posing a risk to downstream surface waters and wells is considered to constitute the major environmental concern associated with the landfilling of the waste. In order to safeguard our environment, it is important to regulate such hazardous waste in environmentally feasible and sound manner.
\n\t\t\t
According to the (Department of Water Affairs [DWA], 1998), waste disposal in South Africa is mostly in landfills, but it is estimated that only 10% of landfills are managed in accordance with the minimum requirements.
\n\t\t\t
Most of the cities in South Africa have well-managed landfills as well as recycling programs. Recycling activities are mostly private sector initiatives run by packaging manufacturers through buy-back facilities.
\n\t\t
\n\t\t
\n\t\t\t
2. South African waste management perspective
\n\t\t\t
Waste management in South Africa has in the past been uncoordinated and poorly funded. According to (Nahman & Godfrey, 2010) key issues include inadequate waste collection services for a large portion of the population, illegal dumping, unlicensed waste management activities (including unpermitted disposal facilities), a lack of airspace at permitted landfills, insufficient waste minimization and recycling initiatives, a lack of waste information, lack of regulation and enforcement of legislation, and, indeed, limited waste-related legislation in the first place.
\n\t\t\t
In response, the National Waste Management Strategy (NWMS) (Department of Environmental Affairs and Tourism [DEAT], 1999) emphasizes the need for integrated waste management, which implies coordination of functions within the waste management hierarchy. In particular, the diversion of waste from landfill through waste minimization and recycling is a national policy objective under the White Paper on Integrated Pollution and Waste Management (Department of Environmental Affairs and Tourism [DEAT], 2000), the NWMS and the Waste Act, which recognize the importance of moving waste management up the waste hierarchy (i.e. greater emphasis on waste avoidance, minimization and recycling to reduce impacts further downstream) (Nahman & Godfrey, 2010).
\n\t\t\t
In addition, to deal with the issue of insufficient funding, the NWMS invokes the Polluter Pays Principle (PPP). In the context of solid waste management, the PPP implies that all waste generators, including households and companies, are responsible for paying the costs associated with the waste they generate. These include not only the direct costs associated with the safe collection, treatment and disposal of waste; but also the external costs (externalities) of waste generation and disposal, such as health and environmental damages (Department of Environmental Affairs and Tourism [DEAT], 1999).
\n\t\t
\n\t\t
\n\t\t\t
3. Waste generation
\n\t\t\t
Commercial and Domestic General Waste
\n\t\t\t
Municipal waste generated in recent years is increasing and mainly due to the increasing urbanization.
\n\t\t\t
General waste – is waste that does not pose an immediate threat to man or the environment, that is, household and garden waste, builders’ rubble and some dry industrial and business waste. It may, however, with decomposition and rain infiltration, produce leachate, which is unacceptable.
\n\t\t\t
The mixed nature of general waste, the high proportion of recyclable material going to landfill, and the presence of small quantities of hazardous wastes are key challenges that need to be addressed.
\n\t\t\t
Mining and Industrial Hazardous Waste
\n\t\t\t
The main sources of mining and industrial wastes are gold, platinum, coal, etc. and power industries, ore extraction, pulp and paper, petrochemical industries, etc.
\n\t\t\t
According to (Adler, 2007), following the discovery of immense gold resources in South Africa in 1886, the mining industry played a central role in the country’s economic, political, and social environment. Because minerals in South Africa are highly diversified, plentiful, and profitable, government has allowed the industry to be privileged, enabling it to maximize profits. But South Africa recently incorporated objectives of sustainability and social justice into its constitution. Not based on notions of sustainability, the early gold-economy was simply an extractive industry with little consideration given to possibly adverse long-term effects.
\n\t\t\t
Hazardous waste – is waste containing or contaminated by poison, corrosive agents, flammable or explosive substances, chemical or any other substance which may pose detrimental or chronic impacts on human health and the environment.
\n\t\t\t
Mining waste – is waste from any minerals, tailings, waste rock or slimes produced by, or resulting from, activities at a mine.
\n\t\t\t
`The composition of mining waste varies according to the nature of the mining operation and many other factors, but where the same mineral is extracted from a similar style of metalliferous or industrial mineral deposit or coal, the waste usually has similar characteristics. There are many potential sources of industrial minerals from mining waste. Waste from one mine may be a byproduct or co-product in a mining operation elsewhere’ (Scott et al., 2005).
\n\t\t\t
Mining activities, from exploration to extraction and processing, have recently come under increasing public scrutiny in South Africa as competition for environmental resources has intensified and the post-Apartheid government\'s attitude has shifted towards improved environmental quality and health (Department of Minerals and Energy [DME], 1997).
\n\t\t\t
‘First, the nature of environmental and health risks from mining makes them difficult to quantify and even more difficult to evaluate in monetary terms. For example, in coal and other mining operations, surrounding downwind areas, which are not owned by mining firms, are often subject to dust particles emanating from the mines. In addition, acid run-offs can pose hazards to mine workers, to fish and wildlife, and to consumers when they persist in water and food` (Wiebelt, 1998). Most of these risks are not immediately apparent to either producers or consumers and the nature of these risks varies widely among types of mineral being extracted, on whether mining is onshore or offshore, and on the methods and technologies of extraction used. The major form of environmental externalities in South African mineral extraction is solid waste generation (Table 2).
\n\t\t\t
The solid waste generated comprises of mostly potentially hazardous tailings and slags (Department of Environmental Affairs [DEA], 1992a). These make up the bulk of the mining\'s solid waste stream, which in turn represents nearly 90 percent of the total South African waste stream. Only 0.007 percent of mining waste takes the form of air emissions, and only 0.4 percent is discharged with waste water.
\n\t\t\t
Although the quantity of waste discharged in waste water is small in comparison with the solid waste stream, the waste water stream is an important vehicle for hazardous mining waste. Table 2 shows that a small number of total waste streams in gold, platinum group metals, and antimony mining, and most of the waste in zinc refining have to be rated as hazardous with acid cyanide-containing goldmine effluents representing the largest hazardous waste stream in mining. However, it has to be kept in mind that environmental externalities in mining not only depend on the rates at which extraction takes place but also on the cumulative amounts of mineral ores already extracted.
\n\t\t\t
It is estimated that backlog in mining waste includes some 12 billion tons of overburden and depleted processed ores, and about 30 thousand tons of semi-purified concentrates containing high concentration zinc, copper, cadmium or cobalt (Department of Environmental Affairs [DEA], 1992a). Thus, high environmental damages are incurred as a result of past and current mining activity.
\n\t\t\t
Highly hazardous waste: contains significant concentrations of highly toxic constituents persistent in the environment and bio-accumulative;
\n\t\t\t
Moderately hazardous waste: is highly explosive, flammable, corrosive or reactive, or is non-hazardous waste which are easily accessible, mobile or infective, or contains significant concentrations of constituents that are potentially highly toxic but only moderately mobile, persistent or bio-accumulative, or that are moderately toxic but are highly mobile, or persistent in the environment, or bio-accumulative;
\n\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t
Sector
\n\t\t\t\t\t\t
Air Emissions
\n\t\t\t\t\t\t
Waste Water
\n\t\t\t\t\t\t
Solid/Liquid Waste
\n\t\t\t\t\t\t
Total
\n\t\t\t\t\t\t
Hazardous Wasted\n\t\t\t\t\t\t
\n\t\t\t\t\t\t
Potentially Hazardous waste
\n\t\t\t\t\t\t
Non-Hazardous Waste
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t
Agricultureb\n\t\t\t\t\t\t
\n\t\t\t\t\t\t
-
\n\t\t\t\t\t\t
-
\n\t\t\t\t\t\t
-
\n\t\t\t\t\t\t
-
\n\t\t\t\t\t\t
-
\n\t\t\t\t\t\t
-
\n\t\t\t\t\t\t
-
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t
Coal mining
\n\t\t\t\t\t\t
-
\n\t\t\t\t\t\t
-
\n\t\t\t\t\t\t
45,600
\n\t\t\t\t\t\t
45,600
\n\t\t\t\t\t\t
-
\n\t\t\t\t\t\t
34,200
\n\t\t\t\t\t\t
11,400
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t
Gold mining
\n\t\t\t\t\t\t
-
\n\t\t\t\t\t\t
1,538
\n\t\t\t\t\t\t
190,188
\n\t\t\t\t\t\t
191.726
\n\t\t\t\t\t\t
1,013
\n\t\t\t\t\t\t
531
\n\t\t\t\t\t\t
190.181
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t
Other mining, of which -Platinum group metals -Phosphate -Base metal -Zinc -Antimony -Diamonds -Asbestos
Metallurgical and metals industriesc\n\t\t\t\t\t\t
\n\t\t\t\t\t\t
13
\n\t\t\t\t\t\t
16
\n\t\t\t\t\t\t
4,872
\n\t\t\t\t\t\t
4,902
\n\t\t\t\t\t\t
335
\n\t\t\t\t\t\t
4,567
\n\t\t\t\t\t\t
-
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t
Non-metallurgical manufacturing industries
\n\t\t\t\t\t\t
323
\n\t\t\t\t\t\t
602
\n\t\t\t\t\t\t
14,448
\n\t\t\t\t\t\t
15,373
\n\t\t\t\t\t\t
452
\n\t\t\t\t\t\t
4,772
\n\t\t\t\t\t\t
10,149
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t
Servicesc\n\t\t\t\t\t\t
\n\t\t\t\t\t\t
1,609
\n\t\t\t\t\t\t
7
\n\t\t\t\t\t\t
20.275
\n\t\t\t\t\t\t
21,891
\n\t\t\t\t\t\t
47
\n\t\t\t\t\t\t
1,654
\n\t\t\t\t\t\t
20,190
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t\t\t\tTotal economy\n\t\t\t\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t\t\t\t1,972\n\t\t\t\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t\t\t\t2,182\n\t\t\t\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t\t\t\t414.651\n\t\t\t\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t\t\t\t418,805\n\t\t\t\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t\t\t\t1,893\n\t\t\t\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t\t\t\t45.766\n\t\t\t\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t\t\t\t371,147\n\t\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t
Table 2.
\n\t\t\t\t\t\taExcluding carbon dioxide emissions and sediments from waste water. - bAgriculture is not included in the survey cincludes power generation. - dincludes highly, moderately and low hazardous waste.
Mining and industrial waste in South Africa, 1990/91 (thousand tons per annum)a\n\t\t\t\t\t
\n\t\t\t
Low hazardous waste: is moderately explosive, flammable, corrosive or reactive, or contains significant concentrations of constituents that are potentially highly harmful to human health or the environment.
\n\t\t\t
Potentially hazardous waste: often occurs in large quantities, and contains potentially harmful constituents in concentrations that in most instances would represent only a limited threat to human health or the environment.
\n\t\t
\n\t\t
\n\t\t\t
4. South African environmental legislative framework
\n\t\t\t
Hazardous wastes, in particular, require more stringent regulatory and technical controls due to their toxicity, persistence, mobility, flammability, etc. There is increasing public concern about the numerous problems and potentially dangerous situations associated with hazardous waste management in general and disposal practices in particular.
\n\t\t\t
South Africa has introduced a range of legislative measures aimed at improving the quality of the environment. The effective regulation of hazardous wastes requires sufficient compliance and enforcement capacity on the part of Department of Environmental Affairs.
\n\t\t\t
Waste in South Africa is currently governed by means of a number of pieces of legislation, including:
\n\t\t\t
The South African constitution Act 108 of 1996
Hazardous Substance Act 5 of 1973
Environmental Conservation Act 73 of 1989
National Water Act 36 of 1998
National Environmental Management Act 107 of 1998
Minerals and Petroleum Resources Development Act 28 of 2002
Air Quality Act 39 of 2004
National Environmental Management: Waste Act 59 of 2008
\n\t\t\t
The Environmental Management Policy for South Africa sets a number of objectives for integrated pollution control and waste management system.
\n\t\t\t
The objectives include:
\n\t\t\t
Promoting cleaner production and establishing mechanisms to ensure continuous improvements in best practices in all areas of environmental management.
Preventing or reducing and managing pollution of any part of the environment due to all forms of human activity, and in particular from radioactive, toxic and other hazardous substances.
Setting targets to minimize waste generation and pollution at source and promoting a hierarchy of waste management practices, namely reduction of waste at source, reuse and recycling with safe disposal as the last resort.
Regulating and monitoring waste production, enforce waste control measures, and coordinating administration of integrated pollution and waste management through a single government department.
Setting up information systems on chemical hazards and toxic releases and ensuring the introduction of a system to track the transport of hazardous materials.
\n\t\t\t
The South African waste management principles aim:
\n\t\t\t
To secure the conservation of nature and resources, waste generation must be minimized and avoided where possible (prevention principle).
To secure a reduction in the impacts from waste on human health and environment, especially to reduce the hazardous substances in the waste through precautionary principle.
To make sure that those who generate waste or contaminate the environment should pay the full costs of their actions through the principle of pollute pays and producer responsibility.
\n\t\t\t
In relation to the mining waste, the strategic focus in terms of waste hierarchy is on ensuring the treatment and safe disposal of mining waste. However, opportunities for reuse of mining waste need to be fully exploited.
\n\t\t\t
The overall goal with regard to regulating waste invariably is to minimize health and environmental impacts with the concurrent optimization of economic and social impacts on society.
\n\t\t
\n\t\t
\n\t\t\t
5. Best practice technologies and possible approaches
\n\t\t\t
Integrated Waste Management (IWM) maintains that waste management can be planned in advance because the nature, composition and quantities of waste generated can be predicted. Advanced planning, means that an orderly process of waste management can ensue. This includes:
\n\t\t\t
\n\t\t\t\tWaste Prevention: the prevention or avoidance of the production of certain wastes, sometimes by regulation. Waste prevention initiatives address the industrial sector, by promoting the use of cleaner technology as well as schools and private households in broader awareness campaigns. As prevention has the highest priority in waste management principles, South Africa should make efforts in order to aim at reducing the quantity of waste generated.
\n\t\t\t
\n\t\t\t\tWaste Minimization: the economic reduction of the volume of waste during production, by means of different processes, or uses, or ‘clean’ technology implementation; Waste minimization is the application of a systematic approach to reducing waste at source.
\n\t\t\t
\n\t\t\t\tResource Recovery: recycling of wastes of one process as raw materials, or the recovery of energy through incineration or biodegradation. Recovery contributes to utilizing the resources embedded in waste and contributes to saving raw material.
\n\t\t\t
\n\t\t\t\tWaste Treatment: contributes towards the reduction in hazardous character of the waste, or its volume, to ease environmental or human health risks and impacts;
\n\t\t\t
\n\t\t\t\tWaste Disposal: is the preferred and mostly used option. This has traditionally been by the disposal of waste to landfill sites. Land filling is ranked the lowest in the hierarchy of waste due to the lack of utilization of the resources in the waste, yet, it remains to be the most common waste treatment method in South Africa, (See Fig. I).
\n\t\t\t
Waste management hierarchical practices that remain a key principle of our waste management are in Table 3 below:
\n\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t
\n\t\t\t\t\t\t\tWaste Hierarchy\n\t\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t
Cleaner Production
\n\t\t\t\t\t\t
Prevention
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t
Minimization
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t
Recycling
\n\t\t\t\t\t\t
Re-use
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t
Recovery
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t
Composting
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t
Treatment
\n\t\t\t\t\t\t
Physical
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t
Chemical
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t
Destruction
\n\t\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t\t\t
Disposal
\n\t\t\t\t\t\t
Landfill
\n\t\t\t\t\t
\n\t\t\t\t
Table 3.
Hierarchy of waste
\n\t\t\t
“In terms of implementing the waste hierarchy for industrial and mining waste, waste avoidance and reduction is of particular importance due to the significant environmental impact of this waste, and the potential harmful consequences for human health. Where hazardous waste cannot be avoided, emphasis needs to be placed on regulation, not only in defining standards for treatment and disposal, but also in ensuring reuse and recycling takes place in a safe and responsible manner”. (Department of Environmental Affairs [DEA], 2009).
\n\t\t
\n\t\t
\n\t\t\t
6. Priority options: Waste minimization, recycling and recovery
\n\t\t\t
In line with international norms, the National, Provincial and Local Authorities, as well as society and industry at large, are encouraged, in cases by regulation, to seek to implement measures and means by which waste generation and disposal rates can be economically reduced, including the adoption of cleaner technologies, separation and reclamation/recycling of wastes (see Fig. 1).
\n\t\t\t
Figure 1.
The Waste Hierarchy
\n\t\t\t
Waste minimizations involves a number of processes, mechanisms and stakeholders in the production, marketing, packaging, selling and consumption of goods that produce waste at all stages of the consumption cycle. By implication, it will require a conscious, comprehensive and intentional decision and effort by all stakeholders to ensure that waste and the secondary effects of poor waste management can be reduced through waste minimization to increase landfill site lifecycles and the environment. This may involve additional mechanisms and processes that include the following:
\n\t\t\t
Improving product and packaging designs to reduce resource consumption;
Changing marketing and sales approaches to influence consumer perceptions and behaviour;
“Extended Producer Responsibilities” (EPR) of producers of products, which may require producers to accept their used products back for recycling.
Changing procurement policies and practices in large organizations that should encourage environmentally-aware production and manufacturing;
Encouraging waste separation, streaming and diversion practices;
Creating infrastructure to enable waste to be diverted from landfill sites;
Developing infrastructure for processing waste for reuse/recycling;
Developing markets for recycled materials and products;
\n\t\t
\n\t\t
\n\t\t\t
7. Hazardous waste management
\n\t\t\t
According to (Misra & Pandey, 2005), the management of hazardous wastes that has already been generated is one of the burning problems which require immediate attention. The principal objective of any hazardous waste management plan is to ensure safe, efficient and economical collection, transportation, treatment and disposal of wastes.
\n\t\t\t
\n\t\t\t\tSteps towards effective management of hazardous wastes, and these are:\n\t\t\t
\n\t\t\t
Waste characteristics, including waste types, degree of hazards, chemical and physical stability, waste compatibilities, and the ability to segregate ignitable, reactive or incompatible wastes. To select suitable treatment and disposal techniques.
Fate and transport characteristics of chemical constituents of wastes and their projected degradation products.
The critical media of concern (such as air, surface water, ground water, soils/sediments, terrestrial and aquatic biota).
Evaluation of potential release and exposure pathways of waste constituents and the potential for human and ecosystem exposures.
Assessment of the environmental and health impacts of the wastes, if such waste reaches critical human and ecological receptors.
Characterization of disposed sites, including site geology, topography, hydrogeology and meteorological conditions.
Determination of extent of service area for proposed waste facility i.e. handling waste from local industry only or from regional and/or national generators.
Suitability of proposed location for waste facility based on environmental, social and economic concerns including proximity to populations, ecological systems, water resources, etc.
Best available technology (BAT) for handling the particular wastes. In addition, there should be contingency plans and emergency procedures in the design of waste management plans.
Provision for effective long-term monitoring and surveillance programs including post-closure maintenance of facilities.
\n\t\t\t
The capacity of a disposal facility is an exhaustible resource; however, the transportation of hazardous waste residue to disposal sites is a continuous process. In fact, the quantity of wastes arriving to a treatment/disposal facility may even increase over a period of time because of the industrial growth, unless waste minimization measures are implemented and enforced.
\n\t\t\t
Rehabilitation of abandoned sites and re-entry therein and reuse also have to be done.
\n\t\t
\n\t\t
\n\t\t\t
8. Treatment methods available
\n\t\t\t
The purpose of treating waste is to convert it into non-hazardous substances or to stabilize or encapsulate the waste so that it will not migrate and present a hazard when released into the environment. Stabilization or encapsulation techniques are particularly necessary for inorganic wastes such as those containing toxic heavy metals.
\n\t\t\t
Treatment methods can be generally classified as chemical, physical, thermal and/or biological.
\n\t\t\t
Chemical methods - examples of chemical methods include neutralization, oxidation, reduction, precipitation and hydrolysis.
\n\t\t\t
Physical methods - examples of physical methods include encapsulation, filtration, centrifuging and separation.
\n\t\t\t
Thermal methods involve the application of heat to convert waste into less hazardous form. It also reduces the volume and allows opportunities for the recovery of energy from waste.
\n\t\t\t
Biological methods involve the use of micro-organisms under optimised conditions to mineralise hazardous organic substances.
\n\t\t
\n\t\t
\n\t\t\t
9. Landfill-disposal of hazardous waste
\n\t\t\t
Disposal of the wastes is the final process and a key issue in overall hazardous waste management programme. The disposal facilities act as a permanent repository for the waste residues generated from the treatment facility. Even the most advanced treatment methods result in residues that are no longer amenable to cost-effective treatment.
\n\t\t\t
The economics of waste disposal will determine, ultimately, the amounts and types of wastes that will be moved to distant disposal sites. The choice of disposal should be based on evaluation of economics and potential pollution risks.
\n\t\t\t
The majority of domestic residential and commercial, business and industrial waste from urban areas is disposed to landfill sites. These landfill sites are generally operated by the local authority in whose area the site is located, or by private service providers. Although some of the industrial waste is handled by local authority services, and private service providers handle much of this stream. Most of the waste generated by industry (especially metallurgical) and agriculture are disposed of disposed of on the industrial or agricultural premises, with little information available on quantities, qualities or management thereof.
\n\t\t\t
There are several environmental impacts from landfills. One impact is contribution to the greenhouse effect through the emission of methane gas. Leachate may also damage groundwater if there is no liner system. Other impacts include odours and general inconvenience for neighbours to landfill sites.
\n\t\t\t
Waste management is emerging as a key sector for sustainable development in South Africa with opportunities for enhancing investments in carbon credits that target reduction of methane from landfills and moveable assets in relation to environmentally sound equipment required for effective waste management. It is true that the focus is towards two key areas for investments include capturing methane emissions from landfills for trading in carbon markets and financing both physical and moveable assets to enhance sustainable development. However, the challenges for cost-effectiveness, efficiency and sustainability in the sector prevail in relation to lack of sound knowledge to design and implement integrated programmes that incorporate environment, development and sustainability. Henceforth, financial resources according to (Karani & Jewasikiewitz, 2007), are imperative to waste management and sustainable development as the sector requires capital investments for necessary infrastructure.
\n\t\t
\n\t\t
\n\t\t\t
10. Environmental and social impacts
\n\t\t\t
According to (Adler, 2007) since negative externalities associated with mining were not internationalized under apartheid, the mining industry failed to adequately prepare for closure and to dispose of mine water and waste in a manner that is consistent with current international best practice.
\n\t\t\t
Following the transition to democracy, government faces conflict caused by the legacy of weak regulation that has exaggerated problems associated with limited natural resources. In particular, cumulative harm to off-mine populations resulting from modified water tables, contaminated ground water sources, acidic mine drainage, and ground instability must be addressed before they lead to even more devastating socioeconomic, political, and environmental damage.
\n\t\t\t
Figure 2.
Adapted Trialogue Model.
\n\t\t\t
The trialogue model captures interactions among
\n\t\t\t
government,
mining industry, and
environment.
\n\t\t\t
The environment includes society, economy, and the natural environment. Each sector places pressure on the others, as represented by the double arrows.
\n\t\t\t
The outcome of these effects can be described in terms of governance Trialogue Model (Figure 2). It shows how regulation (or lack thereof) can result in conflict among industry, government, and environment (which includes society-at-large).
\n\t\t\t
In the case of South Africa, new policies have been drafted by government to address these issues, but in most cases the regulation of mining-related activities is fragmented throughout multiple pieces of legislation, to be enforced by various agencies at the national, provincial, and municipal levels.
\n\t\t\t
The impacts of non-sustainable waste management are difficult to quantify, however, potential consequences may be identified and include the following:
\n\t\t\t
Long term effects of pollutants entering the surface or groundwater resources, air and soil affecting the fitness for use, and availability of the resource for use. More specifically:
Pollution of watercourses and groundwater by leaching of pollutants from waste inappropriately disposed of, or where waste management service provision is inadequate, particularly evident for dense urban informal settlements.
Pollution of watercourses and groundwater by leaching of pollutants from waste residue deposits, particularly mine and power station waste dumps.
Air pollution by dust releases from particularly mine residue deposits, but also general and hazardous waste sites (methane gas production) and HCRW incinerators.
Nuisance from odours of waste degradation in landfill sites, waste disfiguring the environment especially plastic bags, and littering where waste service provision is limited.
Reduced biological diversity in the areas of waste management operations, as a result of land disturbance or effects of emissions and discharges from the waste facilities.
Increased waste management costs to provide safe and effective long-term disposal sites for increasing waste loads, including treatment of wastes to render them less environmentally available, and effective closure and rehabilitation of historically inadequate waste sites.
Increased pressures through the negative societal impacts of inadequate service provision fostering illegal waste dumping, littering and abuse of open spaces.
Increased health and environmental risks associated with inadequate waste collection and disposal services, and informal salvaging on landfill sites.
Poverty encourages salvaging on waste sites for recyclables, refuge materials, fuel and food.
Environmental risks as many waste sites which do not meet the Minimum Requirements stipulated by DWAF, requiring upgrading to the specifications, or closure and rehabilitation.
\n\t\t\t
Although hazardous waste is produced by practically all areas of society, some of the worst waste produced, with a legacy of the poorest controls, comes from the mines and industries. Some of these contaminants are discharged into the aquatic environment.
\n\t\t\t
The consequences and impacts of waste management inherently link to other indicators of environmental health and sustainability, particularly:
\n\t\t\t
Water resource, the focus being on water quality deterioration and pollution;
Biodiversity;
Social environment, the focus being on human health;
Air quality, the focus being on visual and odour nuisance; and
Land, the focus being on provision of suitable locations for landfills and waste services.
\n\t\t
\n\t\t
\n\t\t\t
11. Economic impacts
\n\t\t\t
According to (Wiebelt, 1998), while in many developed countries mining has been relegated to the status of an ugly old industry of little importance to the national wealth, the highly mineralized nature of many parts of South Africa has led to the creation of a mining industry which is quite important to the country\'s economy.
\n\t\t\t
If the value of processed mineral products such as refined base metals, ferroalloys, iron and steel, and refinery products produced from coal were included, about 60 percent of South African export revenue would have come from mineral-based products.
\n\t\t\t
The Department of Environmental Affairs proposed `eco-taxes’, whereby polluters are charged equal to their hazardous waste treatment costs allow the realization of any technologically possible environmental objective at minimum social costs. The analysis is based on a study by the Department of Environment Affairs on Hazardous Waste in South Africa which among others estimates hazardous and non-hazardous waste streams for different sectors (Department of Environmental Affairs [DEA], 1992a) and assesses the economic impact of alternative policies towards hazardous waste management (Department of Environmental Affairs [DEA], 1992b).
\n\t\t\t
The economic impacts of hazardous waste may be clustered along the following three categories:
\n\t\t\t
The environmental tax on hazardous mining waste will lead to an adjustment of factor demand and final demand and, therefore, to an environmentally more sound use of natural resources.
Closely connected with the environmental impacts are the economic impacts of the environmental tax. Higher costs for waste management lead to changes in macroeconomic aggregates which have to be included in the analysis. Income and substitution effects will change the international competitiveness of individual sectors as well as the sectoral structure of the economy.
The taxation of hazardous mining waste will yield higher tax revenues, higher tax revenues.
\n\t\t\t
Economic instruments such as environmental taxes and subsidies should provide incentives for waste generators and service providers to reduce waste generation and to seek alternatives to final disposal to landfill such as re-use, recycling and recovery. There are opportunities that are associated with the implementation of economic instruments and they include:
\n\t\t\t
Potential to reduce the need for landfill airspace and prolong the lifespan of landfill sites;
Their potential to stabilise prices of recyclables and thus stimulate and stabilise viable and sustainable markets for recyclables;
The socio-economic benefits associated with recycling such as local economic development and the creation of job opportunities in the recycling market;
Improved environmental awareness; and
The potential to encourage private investment.
\n\t\t
\n\t\t
\n\t\t\t
12. Conclusion
\n\t\t\t
South Africa has developed waste regulations; and awareness has been created for the management of hazardous wastes; however, effective practice for safe management still needs to be enforced.
\n\t\t\t
To effectively manage waste, public-private partnership should be encouraged to jointly address waste management problems.
\n\t\t\t
The partnership mechanisms would address the following:
\n\t\t\t
Significantly reducing load of hazardous waste to landfills.
Finding alternative uses for industrial waste generated in significant quantities with a high potential for environmental pollution.
Addressing the problem of reluctance from industries to disclose their hazardous waste streams and volumes.
\n\t\t\t
In trying to deal with waste management challenges in South Africa, it is important to rigorously
\n\t\t\t
Consider both recycling and waste minimization
Consider extended producer responsibility as a means to emphasize waste minimization
Explore opportunities for energy recovery
Ban some waste streams from landfill sites.
\n\t\t\t
An obligation should be made to monitor landfills during their operation and up to 30 years after their closure. The monitoring must include measurement of landfill runoff, emissions of landfill gas, the level of water table and ground water quality under and near the landfill.
\n\t\t
\n\t\n',keywords:null,chapterPDFUrl:"https://cdn.intechopen.com/pdfs/18481.pdf",chapterXML:"https://mts.intechopen.com/source/xml/18481.xml",downloadPdfUrl:"/chapter/pdf-download/18481",previewPdfUrl:"/chapter/pdf-preview/18481",totalDownloads:5120,totalViews:1089,totalCrossrefCites:0,totalDimensionsCites:3,hasAltmetrics:1,dateSubmitted:"October 25th 2010",dateReviewed:"March 23rd 2011",datePrePublished:null,datePublished:"August 23rd 2011",dateFinished:null,readingETA:"0",abstract:null,reviewType:"peer-reviewed",bibtexUrl:"/chapter/bibtex/18481",risUrl:"/chapter/ris/18481",book:{slug:"integrated-waste-management-volume-ii"},signatures:"Mosidi Makgae",authors:[{id:"30148",title:"Dr.",name:"Mosidi",middleName:null,surname:"Makgae",fullName:"Mosidi Makgae",slug:"mosidi-makgae",email:"makgaem@gmail.com",position:null,institution:null}],sections:[{id:"sec_1",title:"1. Introduction",level:"1"},{id:"sec_2",title:"2. South African waste management perspective",level:"1"},{id:"sec_3",title:"3. Waste generation",level:"1"},{id:"sec_4",title:"4. South African environmental legislative framework",level:"1"},{id:"sec_5",title:"5. Best practice technologies and possible approaches",level:"1"},{id:"sec_6",title:"6. Priority options: Waste minimization, recycling and recovery",level:"1"},{id:"sec_7",title:"7. Hazardous waste management",level:"1"},{id:"sec_8",title:"8. Treatment methods available",level:"1"},{id:"sec_9",title:"9. Landfill-disposal of hazardous waste",level:"1"},{id:"sec_10",title:"10. Environmental and social impacts",level:"1"},{id:"sec_11",title:"11. Economic impacts",level:"1"},{id:"sec_12",title:"12. Conclusion",level:"1"}],chapterReferences:[{id:"B1",body:'\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\tAdler\n\t\t\t\t\t\t\tR.\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\tClaassen\n\t\t\t\t\t\t\tM.\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\tGodfrey\n\t\t\t\t\t\t\tL.\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\tTurton\n\t\t\t\t\t\t\tA.\n\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t2007Water, mining, and waste: an historical and economic perspective on conflict management in South Africa, The Economics of Peace and Security Journal, 2\n\t\t\t\t\t2\n\t\t\t\t\t33\n\t\t\t\t\t41\n\t\t\t\t\t0174-9852X.\n\t\t\t'},{id:"B2",body:'\n\t\t\t\t\n\t\t\t\t\tDEA\n\t\t\t\t\t1992aHazardous Waste in South Africa. 1Situation Analysis based on base line studies regarding waste management in South Africa. Department of Environment Affairs, Pretoria.\n\t\t\t'},{id:"B3",body:'\n\t\t\t\t\n\t\t\t\t\tDEA\n\t\t\t\t\t1992bHazardous Waste Management in South Africa. 5Impact Assessment. 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Resources, Conservation and Recycling, DOI:10.1016/j.resconrec.2009.10.009\n\t\t\t\t\t8\n\t\t\t\t\t54\n\t\t\t\t\t521\n\t\t\t\t\t531\n\t\t\t\t\n\t\t\t'},{id:"B12",body:'\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\tSchreck\n\t\t\t\t\t\t\tP.\n\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t1998Environmental impact of uncontrolled waste disposal in mining and industrial areas in central Germany, Environmental geology, Cases and Solutions, 35\n\t\t\t\t\t1\n\t\t\t\t\t66\n\t\t\t\t\t72\n\t\t\t\t\tDOI:s002540050293.\n\t\t\t'},{id:"B13",body:'\n\t\t\t\tScott, P.W.; Eyre, J.M.; Harrison, D.J.& Bloodworth, A.J. (2005) Markets for industrial mineral products from mining waste. Geological Society, London, Special Publications, DOI: 10.1144/GSL.SP.2005.250.01.06\n\t\t\t\t\t250\n\t\t\t\t\t47\n\t\t\t\t\t59\n\t\t\t\t\n\t\t\t'},{id:"B14",body:'\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\tWiebelt\n\t\t\t\t\t\t\tM.\n\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t1998Hazardous Waste Management in South African Mining: A CGE Analysis of the Economic Impacts, The Kiel Institute of World Economics, Kiel Working Paper 953\n\t\t\t\t\t0000-0342\n\t\t\t\t\t0342\n\t\t\t\t\t0787\n\t\t\t\t\n\t\t\t'}],footnotes:[],contributors:[{corresp:null,contributorFullName:"Mosidi Makgae",address:null,affiliation:'
South African Nuclear Energy Corporation (Necsa), Pretoria, South Africa
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Wilkinson",slug:"kevin-g.-wilkinson"}]},{id:"17437",title:"New Municipal Solid Waste Processing Technology Reduces Volume and Provides Beneficial Reuse Applications for Soil Improvement and Dust Control",slug:"new-municipal-solid-waste-processing-technology-reduces-volume-and-provides-beneficial-reuse-applica",signatures:"H.A. Torbert, D.L. Gebhart and R.R. Busby",authors:[{id:"38917",title:"Dr.",name:"Allen",middleName:null,surname:"Torbert",fullName:"Allen Torbert",slug:"allen-torbert"},{id:"38923",title:"Dr.",name:"Dick L.",middleName:null,surname:"Gebhart",fullName:"Dick L. Gebhart",slug:"dick-l.-gebhart"},{id:"38925",title:"Dr.",name:"Ryan R.",middleName:null,surname:"Busby",fullName:"Ryan R. Busby",slug:"ryan-r.-busby"}]},{id:"17438",title:"Waste to Energy, Wasting Resources and Livelihoods",slug:"waste-to-energy-wasting-resources-and-livelihoods",signatures:"Jutta Gutberlet",authors:[{id:"27539",title:"Dr.",name:"Jutta",middleName:null,surname:"Gutberlet",fullName:"Jutta Gutberlet",slug:"jutta-gutberlet"}]},{id:"17439",title:"Solid Waste Utilization in Foundries and Metallurgical Plants",slug:"solid-waste-utilization-in-foundries-and-metallurgical-plants",signatures:"Jan Jezierski and Krzysztof Janerka",authors:[{id:"25014",title:"Dr.",name:"Jan",middleName:null,surname:"Jezierski",fullName:"Jan Jezierski",slug:"jan-jezierski"},{id:"37688",title:"Dr.",name:"Krzysztof",middleName:null,surname:"Janerka",fullName:"Krzysztof Janerka",slug:"krzysztof-janerka"}]},{id:"17440",title:"Economic and Operational Feasibility Analysis of Solid Waste Minimization Projects",slug:"economic-and-operational-feasibility-analysis-of-solid-waste-minimization-projects",signatures:"Matthew J. Franchetti",authors:[{id:"25018",title:"Dr.",name:"Matthew J.",middleName:null,surname:"Franchetti",fullName:"Matthew J. Franchetti",slug:"matthew-j.-franchetti"}]},{id:"17441",title:"Waste Management at the Construction Site",slug:"waste-management-at-the-construction-site",signatures:"Joseph Laquatra and Mark Pierce",authors:[{id:"25350",title:"Prof.",name:"Joseph",middleName:null,surname:"Laquatra",fullName:"Joseph Laquatra",slug:"joseph-laquatra"},{id:"30950",title:"Mr.",name:"Mark",middleName:null,surname:"Pierce",fullName:"Mark Pierce",slug:"mark-pierce"}]},{id:"17442",title:"Deconstruction Roles in the Construction and Demolition Waste Management in Portugal - From Design to Site Management",slug:"deconstruction-roles-in-the-construction-and-demolition-waste-management-in-portugal-from-design-to-",signatures:"João Pedro Couto and Paulo Mendonça",authors:[{id:"27259",title:"Dr.",name:"João Pedro",middleName:null,surname:"Couto",fullName:"João Pedro Couto",slug:"joao-pedro-couto"},{id:"46505",title:"Prof.",name:"Paulo",middleName:null,surname:"Mendonça",fullName:"Paulo Mendonça",slug:"paulo-mendonca"}]},{id:"17443",title:"Hydraulic Conductivity of Steel Pipe Sheet Pile Cutoff Walls at Coastal Waste Landfill Sites",slug:"hydraulic-conductivity-of-steel-pipe-sheet-pile-cutoff-walls-at-coastal-waste-landfill-sites",signatures:"Shinya Inazumi",authors:[{id:"28473",title:"Prof.",name:"Shinya",middleName:null,surname:"Inazumi",fullName:"Shinya Inazumi",slug:"shinya-inazumi"}]},{id:"17444",title:"Environmental-Friendly Biodegradable Polymers and Composites",slug:"environmental-friendly-biodegradable-polymers-and-composites",signatures:"Bergeret Anne",authors:[{id:"25503",title:"Prof.",name:"Anne",middleName:null,surname:"Bergeret",fullName:"Anne Bergeret",slug:"anne-bergeret"}]},{id:"17445",title:"Geochemical Risk Assessment Process for Rio Tinto’s Pilbara Iron Ore Mines",slug:"geochemical-risk-assessment-process-for-rio-tinto-s-pilbara-iron-ore-mines",signatures:"Rosalind Green and Richard K Borden",authors:[{id:"39127",title:"Dr.",name:"Rosalind",middleName:null,surname:"Green",fullName:"Rosalind Green",slug:"rosalind-green"},{id:"84760",title:"Mr.",name:"Richard K.",middleName:null,surname:"Borden",fullName:"Richard K. Borden",slug:"richard-k.-borden"}]},{id:"17446",title:"A Study of Elevated Temperatures on the Strength Properties of LCD Glass Powder Cement Mortars",slug:"a-study-of-elevated-temperatures-on-the-strength-properties-of-lcd-glass-powder-cement-mortars",signatures:"Her-Yung Wang and Tsung-Chin Hou",authors:[{id:"29256",title:"Prof.",name:"Her-Yung",middleName:null,surname:"Wang",fullName:"Her-Yung Wang",slug:"her-yung-wang"},{id:"106303",title:"Prof.",name:"Tsung-Chin",middleName:null,surname:"Hou",fullName:"Tsung-Chin Hou",slug:"tsung-chin-hou"}]},{id:"17447",title:"Cost-Benefit Analysis of the Clean-Up of Hazardous Waste Sites",slug:"cost-benefit-analysis-of-the-clean-up-of-hazardous-waste-sites",signatures:"Carla Guerriero and John Cairns",authors:[{id:"26566",title:"MSc",name:"Carla",middleName:null,surname:"Guerriero",fullName:"Carla Guerriero",slug:"carla-guerriero"},{id:"38133",title:"Prof.",name:"John",middleName:null,surname:"Cairns",fullName:"John Cairns",slug:"john-cairns"}]},{id:"17448",title:"Benefits from GIS Based Modelling for Municipal Solid Waste Management",slug:"benefits-from-gis-based-modelling-for-municipal-solid-waste-management",signatures:"Christos Chalkias and Katia Lasaridi",authors:[{id:"27223",title:"Prof.",name:"Christos",middleName:"N.",surname:"Chalkias",fullName:"Christos Chalkias",slug:"christos-chalkias"},{id:"33249",title:"Prof.",name:"Katia",middleName:null,surname:"Lasaridi",fullName:"Katia Lasaridi",slug:"katia-lasaridi"}]},{id:"17449",title:"Comparison of the Suitability of Two LCA Procedures in Selecting the Best MSW Management System",slug:"comparison-of-the-suitability-of-two-lca-procedures-in-selecting-the-best-msw-management-system",signatures:"Giovanni De Feo and Carmela Malvano",authors:[{id:"29480",title:"Dr.",name:"Giovanni",middleName:null,surname:"De Feo",fullName:"Giovanni De Feo",slug:"giovanni-de-feo"},{id:"29487",title:"Dr.",name:"Carmela",middleName:null,surname:"Malvano",fullName:"Carmela Malvano",slug:"carmela-malvano"}]},{id:"17450",title:"Life Cycle Assessment in Municipal Solid Waste Management",slug:"life-cycle-assessment-in-municipal-solid-waste-management",signatures:"Konstadinos Abeliotis",authors:[{id:"38857",title:"Dr.",name:"Konstadinos",middleName:null,surname:"Abeliotis",fullName:"Konstadinos Abeliotis",slug:"konstadinos-abeliotis"}]},{id:"17451",title:"Odour Impact Monitoring for Landfills",slug:"odour-impact-monitoring-for-landfills",signatures:"Magda Brattoli, Gianluigi de Gennaro and Valentina de Pinto",authors:[{id:"29029",title:"Dr.",name:"Gianluigi",middleName:null,surname:"de Gennaro",fullName:"Gianluigi de Gennaro",slug:"gianluigi-de-gennaro"},{id:"39862",title:"Dr",name:"Magda",middleName:null,surname:"Brattoli",fullName:"Magda Brattoli",slug:"magda-brattoli"},{id:"91241",title:"Dr.",name:"Valentina",middleName:null,surname:"De Pinto",fullName:"Valentina De Pinto",slug:"valentina-de-pinto"}]},{id:"17452",title:"Performance Indicators for Leachate Management: Municipal Solid Waste Landfills in Portugal",slug:"performance-indicators-for-leachate-management-municipal-solid-waste-landfills-in-portugal",signatures:"Graça Martinho and Joana Santos",authors:[{id:"34091",title:"Prof.",name:"Graça",middleName:null,surname:"Martinho",fullName:"Graça Martinho",slug:"graca-martinho"},{id:"36152",title:"MSc",name:"Joana",middleName:null,surname:"Santos",fullName:"Joana Santos",slug:"joana-santos"}]},{id:"17453",title:"Measurements of Carbonaceous Aerosols Using Semi-Continuous Thermal-Optical Method",slug:"measurements-of-carbonaceous-aerosols-using-semi-continuous-thermal-optical-method",signatures:"Xiao-Ying Yu",authors:[{id:"24996",title:"Dr.",name:"Xiao-Ying",middleName:null,surname:"Yu",fullName:"Xiao-Ying Yu",slug:"xiao-ying-yu"}]}]}]},onlineFirst:{chapter:{type:"chapter",id:"76363",title:"The Challenge of Water in the Sanitary Conditions of the Populations Living in the Slums of Port-au-Prince: The Case of Canaan",doi:"10.5772/intechopen.96321",slug:"the-challenge-of-water-in-the-sanitary-conditions-of-the-populations-living-in-the-slums-of-port-au-",body:'
1. Introduction
Ensuring a quality water supply to human communities in the North and South is an ongoing process [1]. Indeed, water is essential for sustaining life and a satisfactory supply of drinking water must be made available to all consumers [2]. According to the WHO (2003) [3], 80% of illnesses and deaths among children worldwide are due to unsafe drinking water. Kosek et al. [4] note that between 1992 and 2000, 2.5 million annual deaths in children under five were due to diarrhea. The main component of this disease burden being linked to water [5].
For more than four decades, the issue of access to water in quantity and quality has never ceased to be raised worldwide. The United Nations, academic institutions, NGOs and governments have shown, through the organization of several international conferences, their interest in the global crisis caused by the mismatch between available resources and the increase in human, economic and environmental, as well as pollution due to human actions and global changes. Indeed, the first international conference on water, held in Mar del Plata (Argentina) from March 14 to 25, 1977, had a major impact on dialog at the global level and on the development of United Nations programs. It led to the International Drinking Water Supply and Sanitation Decade (1981–1990), which, among other things, aimed to reduce the incidence of water-related diseases.
Many international events and initiatives have followed one another on the issue of water - a determinant of health - since the Mar del Plata conference in 1977, sometimes under the aegis of the United Nations, sometimes under that of international financial institutions, but also within the framework of ad hoc forums where multinationals and their supporters played a preponderant role [6]. In January 1992, the International Conference on Water and the Environment in Dublin made an alarming observation: the world water situation is in danger, fresh water is scarce and its use must be done with consideration [7]. This observation was taken up at the Rio Earth Summit in 1992 and was the subject of chapter 18 of Agenda 21 established at the time (“Protection of freshwater resources and their quality: application of integrated approaches to in value, management and use of water resources”).
The adoption of the Millennium Development Goals (MDGs) from the United Nations Millennium Declaration [8] embraced a vision of the world in which developed and developing countries would fight together against poverty. At the signing of the said declaration, the number of people without access to safe drinking water and improved sanitation facilities around the world was alarming: 1.1 (or 17% of the world population) and 2.4 billion, respectively [9]. The majority reside in precarious neighborhoods, especially in countries without running water and adequate sanitation systems, and mainly use traditional methods for their provision [10, 11, 12].
Among the MDG goals, target 7 (c) aimed to halve, by 2015, the percentage of the population without access to safe drinking water and basic sanitation services. [13] report that in 2010, the global MDG target for drinking water was reached in 2010. According to this report [13]: (i) 91% of the world population used 2010 improved water point; (ii) 96% of the world’s urban population uses improved water points compared to 84% in rural areas; (iii) in 2015, 663 million people still do not have access to water points. Improved water supply; (iv) 2.4 billion people still do not have improved sanitation facilities.
The PNUD [14] reports “beyond the issue of water supply for personal and domestic use, the lack of safe water and sanitation infrastructure is also a leading causes of poverty and malnutrition, and insecure water supplies linked to climate change threaten to increase the number of people affected by malnutrition, which is expected to reach between 75 and 125 million by 2080”. This analysis is of particular concern to the human settlement of CANAAN. This slum constitutes in itself a particular epidemiological environment, where the absence of collective collection of solid waste, of drainage of domestic wastewater and the consumption of water of non-guaranteed quality promotes the circulation of pathogenic germs which constitute risk factors for the health of the population and the environment [15]. The objective of this study is to study the challenge of water in the daily sanitary conditions of the populations living in the slums of Canaan. This work revolves around two main axes: (i) firstly, urbanization and sanitary conditions (water, sanitation and hygiene) in the slums of Port-au-Prince are addressed; (ii) the second axis traces the history of Canaan, a shanty town built in a drought-stricken area.
2. The sanitary conditions of the slums of Port-au-Prince in the face of morbidity due to water, sanitation and hygiene
2.1 Urban socio-spatial organization of Port-au-Prince
Port-au-Prince is the political and economic capital of the Republic of Haiti. It is, according to Millian and Tamru [16], “a town founded on an exceptional site, between sea and hill: the bay of Gonâve and the foothills of the Selle chain, surrounded by two fertile agricultural plains, that of Cul-de-sac and that of Léogâne. The map of the Republic of Haiti is presented in Figure 1. Despite these favorable geographical conditions, the city suffers from a degraded environment: few green spaces, urbanization of the hillsides, polluted coastline occupied by unsanitary neighborhoods, poor quality of the building, generalization of precarious housing”. Port-au-Prince testified and still testifies today to the symptom of urban macrocephaly which characterizes certain under-urbanized countries. In the Haitian universe, this city has long been seen as an island of urban civilization, in a largely rural space [17]. There was Port-au-Prince and there was, as Barthélémy [18] put it, “the land outside”.
Figure 1.
Map of the Republic of Haiti - (map: Reprinting with permission of CNIGS-Haiti).
Between 1950 and 1982, the population of the city of Port-au-Prince increased from 143,534 inhabitants to 719,517 inhabitants [18]. In fact, in order to attract foreign capital and promote the establishment of subcontracting industries, the Haitian State began during the second half of the decade 1970–1980, a process of liberalization of the economy [19]. Centralized largely in the Metropolitan Region of Port-au-Prince (RMPP), this process has, among other things, led to a significant displacement of the country’s rural population to the urban space of Port-au-Prince [20]. If the census metropolitan area includes the following six cities: Port-au-Prince, Delmas, Cité Soleil, Tabarre, Carrefour and Pétion-Ville, public urban planning bodies speak more of eight Communes (adding Kenscoff and Croix- des-Bouquets to the previous six), when they deal with the metropolitan area of Port-au-Prince [21]. In 2015, the city’s population was estimated at 987,310 inhabitants, with the metropolitan area estimated at 2,618,894 inhabitants [22]. At the turn of the new millennium, the Haitian capital spread out in all directions, without a comprehensive development policy, and its inhabitants are mostly poor or impoverished (workers and soldiers made redundant, pensioners without means) [16]. The evolution of the urban task of Port-au-Prince between 1980 and 2016 is presented in Figure 2.
Figure 2.
The evolution of the urban task of Port-au-Prince between 1980 and 2016 [16] - (map: Reprinting with permission of authors).
The great attractiveness of the capital for rural populations causes deep urban changes (unprecedented spatial extension, densification and degradation of the existing urban fabric) and an aggravation of the problems facing the Haitian metropolis [23]. The socio-spatial modifications characterizing the urban organization of precarious neighborhoods in Port-au-Prince can be summed up perfectly in the definition of the five levels or dimensions of precariousness in the slums: “(i) physical precariousness, which highlights the environmental dangers due to the very location of the neighborhoods (presence of ravines, swamps, rubbish, etc. (ii) environmental precariousness, which results from the absence of basic services (drinking water, sanitation, elimination of excreta) and the resulting health risks. (iii) land insecurity, which highlights the invasion of land by populations who are not legally the owners. (iv) economic insecurity, because the level of poverty is generally very high. (v) social precariousness, insofar as the inhabitants of precarious neighborhoods are hardly recognized by the public authorities” [24].
2.2 Sustainable access to safe water supply and basic sanitation services
In the joint WHO/UNICEF [13] water and sanitation monitoring program, safe drinking water and basic sanitation are defined as follows: (a) drinking water means water used for domestic purposes, drinking, cooking and personal hygiene; (b) access to drinking water means that the source is located less than one kilometer from the place of its use and that it is possible to obtain regularly at least 20 liters of water per inhabitant and per day; (c) drinking water is water with microbial, chemical and physical characteristics that meet WHO guidelines or national standards for the quality of drinking water; (d) access to drinking water is indicated by the proportion of people using improved drinking water sources: home connection; public standpipes; sounding holes; protected wells; protected sources; rainwater; and (e) basic sanitation is the least expensive technology that ensures hygienic disposal of black and gray water, as well as a clean and healthy living environment both at home and in the vicinity of users. Access to basic sanitation services includes safety and privacy in the use of these services. The coverage shows the proportion of people using improved sanitation services: connection to a public sewer; connection to a septic tank; flush latrine; simple pit latrine; improved latrine with self-ventilated pit.
2.3 Access to water in the slums and the prevalence of water-borne diseases in Port-au-Prince
Dynamic, regional and global pressures, such as climate change, population growth and the degradation of urban infrastructure that cities are undergoing today, are causing water scarcity, making it difficult to manage water effectively. Resource [25]. This situation deprives the populations of the slums of this vital element. The increase in demand for water and the increase in pollution of aquatic ecosystems - two situations resulting from accelerated urbanization - make regional disparities, as well as socio-spatial inequalities more and more visible [26] and make access to water one of the major challenges for humanity [27]. Developing countries are the most affected by massive urbanization. Today, 1 billion people live in the slums, the most deprived are deprived of drinking water and sanitation, the cities then turning into “real health bombs” [28].
Cities are always born and develop near water, which is necessary for the biological and economic life of any community. However, for many years the countries of the North as well as those of the South have been confronted with an increasing speed of urbanization and a growing population, which leads to an increasingly important need for space [29]. In the cities of the South, the services in charge of water management are indeed faced with the challenge of accelerated urbanization of poverty: despite the fact that socio-economic inequalities and social polarization have increased, the heterogeneity of poor households has increased, including the increase in socio-economic inequalities and social polarization [30]. In Port-au-Prince, the water supply rate is less than 50% of the population [31]. The most disadvantaged categories of the population in the RMPP do not have access to water under satisfactory or sufficient conditions [32]. These findings allow us to suggest that water is no longer the driving force behind the creation of human settlements; it seems to become one of the factors of health risks and of crisis or of urban violence.
In Haiti, DINEPA, a public institution responsible for executing state policy in the drinking water and sanitation sector, is struggling to fulfill its role [33]. In fact, Haitian cities, more particularly Port-au-Prince, where the demand for water is already high, are increasingly exposed to demographic growth which considerably affects water and sanitation infrastructures [15]. The conditions of water supply and sanitation, which were already precarious, deteriorated with the earthquake of January 12, 2010 [34].
The assessments of the burden of disease associated with poor WASH (Water, Sanitation and Hygiene) are 90% dominated by mortality from diarrheal disease and acute morbidity [35]. By combining the multiple health effects, some researchers and research organizations in the health sciences estimate that unsafe WASH is responsible for nearly a tenth of the global burden of disease [36]. Indeed, beyond diseases of the fecal-oral cycle, the scientific literature reports several pathologies resulting from the chronic effect of exposure to poor-quality WASH [37], particularly diseases chronic associated with chemical contamination of water [38].
According to IHE and ICF [39], “73% of the Haitian population uses an improved source of water. Access to an improved source is much more common in urban areas than in rural areas (95% versus 60%). 33% of the population has improved unshared toilets, mainly cesspools with slabs (21%) and a sanitation system connected to a septic tank (9%). It is in urban areas that the proportion of the population with access to improved unshared toilets is highest (43% compared to 23% in rural areas)”.
In Port-au-Prince, the risk of fecal contamination of the environment is particularly high. Clusters of fecal coliforms have been found in the water sources used to supply the population of the RMPP [40]. A more probable number (MPN) of 700 fecal coliforms per 100 ml was detected in the groundwater of the Cul-de-Sac plain [41]. This aquifer is the largest source of groundwater used by the population of the Port-au-Prince region to meet their water needs. These results highlight the existence of a bacteriological danger linked to these water resources for the health of consumers.
In addition, oocysts of Cryptosporidium parvum, a parasitic protozoan responsible for an infection called cryptosporidiosis, have been detected in surface water, in groundwater and in public water fountains [42]. During the cholera epidemic, declared in October 2010, Cryptosporidium oocysts ranging from 6 to 233 per 100 L of water were detected in water supply points in the RMPP [43]. Cryptosporidiosis is responsible in Haiti for 17% of acute diarrhea observed in children under 2 years of age and 30% of chronic diarrhea in patients infected with HIV [44]. Cryptosporidium oocysts are among the pathogens most resistant to conventional types of treatment such as chemical disinfection, for example [45]. The comparison of statistical data on Cryptosporidium parvum contamination of water resources in the City of Port-au-Prince, with those of two other cities (Cap-Haitien [43] and Cayes [46]) is presented in Table 1. These studies confirm the need for monitoring of the microbiological quality of water, with a view to reducing the morbidity of infections linked to the consumption of contaminated water.
Statistical data on Cryptosporidium parvum contamination of water resources in 3 large cities of Haiti.
In Haiti, the basement is primarily limestone [47]. Figure 3 presents the general geology map of the country [48]. The northern watershed of the Massif de la Selle, the highest chain in the Republic of Haiti with an altitude of more than 2000 meters, is abundantly watered by rainwater [47, 49, 50].
Figure 3.
Geological map of the Republic of Haiti [48] - (map: Reprinting with permission of authors).
This basin is of interest for the water resources of Port-au-Prince, it contains intensely fractured limestone, allowing the storage and circulation of underground water. It follows that this is a major aquifer, a real potential water tower for the RMPP [41]. The geological section of the northern watershed of the Massif de la Selle is shown in Figure 4 [47]. The predominance of limestone in the geology of this aquifer increases the hardness of these water resources. The work carried out on the surface and underground water resources exploited, to supply the population of the Metropolitan Region of Port-au-Prince (RMPP), revealed a total hardness above 200 mg/L with concentrations in Mg2+ less than 7 mg/L [41, 51].
Figure 4.
Geological section of the massif de la Selle [47].
Studies on the health effects of hardness have shown that a total hardness concentration greater than 200 mg/L with a magnesium concentration less than 7 mg/L could affect various organs, including cardiovascular physiology [52]. At very high concentrations, calcium can negatively impact the absorption of other essential minerals for the body, in particular magnesium which is the agent of protection against the calcification of soft tissues due to myocytes [53]. The beneficial effects of water hardness in karst regions come from magnesium. Its deficiency could accelerate the development of atherosclerosis and the induction of platelet aggregation, thus promoting myocardial infarction and cerebrovascular pathologies [54]. The low Mg2+ concentration measured in the water resources of the RMPP may generate health risks for consumers exposed to the influence of geological and environmental factors. In Haiti, cardiovascular diseases have been placed for several years among the ten (10) leading causes of morbidity in the country [55]. In 2016, 29% of registered deaths were due to cardiovascular diseases [56]; this percentage was 57% for 2018 [57].
Fluorine concentrations ranging from 0 to 1.92 mg/L were measured in the resources of the RMPP. This concentration is distributed up to 1 mg/L in carbonate aquifers and from 1.00 to 1.92 mg/L in sedimentary formations [58]. This variation in fluorine can cause health problems, such as tooth decay in people (especially children) living in areas dominated by carbonate aquifers and fluorosis in people living in areas dominated by sedimentary formations [58].
The salt contamination of the coastal aquifer of the Plaine du Cul-de-Sac (Figure 5) was investigated. According to Gonfiantini and Simonot [59], the salinity of these groundwater is the result of seawater intrusion following intensive exploitation. Between 1988 and 1999, the salinity of these waters increased by 246% [60]. Saline contamination of groundwater is manifested by a high concentration of chlorides, which is associated with dissolved solids and conductivity values in groundwater [61]. At chloride levels greater than or equal to 700 mg/L, salinity can cause problems with pregnancy toxemia or preeclampsia in pregnant women and high blood pressure [2].
Figure 5.
Map of the Cul-de-sac plain [62] - (map: Reprinting with permission of authors).
Studies have shown the impact of urban pollutants on the physico-chemical quality of groundwater in the Plaine du Cul-de-sac [62]. Lead (40 to 90 μg / L), nickel (15 to 250 μg / L) and Cr (18 to 470 μg/L) concentrations were measured in boreholes in the Plaine du Cul-de-Sac [41, 63]. These values are well above the thresholds recommended by the World Health Organization (WHO) for water intended for human consumption [2]. The behavior of heavy metals (Pb, Cu and Cd) during their transfer into the slick was studied. The conclusions made it possible to understand that cadmium poses many more problems than lead and copper, by comparing their affinity to soil (Pb2 + > Cu2 + > Cd2 +) [64].
3. Canaan: a shanty town built in a drought-stricken area
3.1 Canaan: a new human settlement in the environmental and urban context of Haiti
The Republic of Haiti occupies the western part of the island of Hispaniola, the eastern part of which constitutes the Dominican Republic (Figure 6). It is located at the border of two tectonic plates, the North American plate and the Caribbean plate (Figure 7). The country is also on the path of tropical cyclones that originate in the Atlantic Ocean. Like the other territories of the Caribbean, the country is exposed to natural hazards and its history bears witness to these events. Between 1986 and 2016, Haiti recorded several major environmental events (floods, droughts, cyclones and the magnitude 7.2 earthquake on the Richter scale of January 2010).
Figure 6.
Topographic map of the island of Hispaniola (Haiti and Dominican Republic). https://simple.wikipedia.org/wiki/Hispaniola.
Figure 7.
Map of the north American - Caribbean tectonic plate boundary. https://www.usgs.gov/media/images/map-north-american-caribbean-tectonic-plate-boundary.
The environmental and human damage generated by its natural disasters, more particularly that of the earthquake of January 12, 2010, has been the subject of several studies reported in the literature. Indeed, “in the history of urban disasters, the earthquake of January 12, 2010 occupies a special place. Not only in view of the extent of the losses and damage caused, but also of the lessons that can be drawn from them in terms of spatial diagnosis and land use planning. Understanding what happened to guard against a bereavement as immense as that caused by the 300,000 deaths in 2010 is a civic duty and an obligation of the state” [65]. Ribordy et al. [66] argue, “the risks engendered by nature and by human activity have accompanied humanity since its origins. In addition to the direct impact of these events on the life of the population, it seems appropriate to retain the intangible impacts (which, in the current state of knowledge, are not translated into monetary terms) such as the degradation of natural environments. and the loss of irreplaceable goods such as heritage”, but also the displacement and relocation of inhabitants as well as the increase in the process of urban sprawl [15]. Caught in the paradox of urbanization, the earthquake of January 12, 2010 raises many questions in the scientific community. Why are urban environments the most exposed today to the consequences of natural disasters? How can we understand that contemporary urbanization is intensifying despite the multiplication of disasters and the limits of management efforts [67]? How and why does the disaster produce new urban areas at risk or new vulnerable urban areas likely to contribute to new crises [68]? […].
Answering these questions requires returning to the very concepts of urbanization, of the rural exodus which is one of the factors of slum development, as well as the function of land use planning in the structuring of human population in Haitian cities. Among the multiple causes of the rural exodus, the migrant’s search for a better standard of living should be put in the forefront [69]. The absence of an urban planning and viable housing policy, as well as the non-implementation of land use plans, when they exist, gives free rein to the anarchic development of cities. In fact, in the growth of Haitian cities, precarious slum-type housing has always prevailed. For 11,700 hectares urbanized at the end of the 20th century, Port-au-Prince had 1,802 shanty-town hectares [70]. In Port-au-Prince, “uncontrolled urban sprawl is, along with population growth, a powerful factor of vulnerability to so-called natural hazards. He played a major role in the process of producing vulnerabilities that contributed to the transformation of the hazards of the 2000s in Haiti into real crises linked to major disasters. These catastrophes were crises within the crisis” [68].
According to Gubry [69], “urbanization is in a way a culmination of ongoing economic processes, both those which are part of a development logic, and those which result from the destructuring of rural societies. In addition, urbanization often causes an exacerbation of conflicts between the population and its environment. The importance of the subject will be noted, insofar as the strongest urban growth is to be expected in the countries which are probably the most deprived of the means to cope with it. The urban environment often deteriorates in developing countries as a result of the low standard of living of the population, itself linked to unemployment. Municipal resources are very insufficient to maintain the quality of life: lack of sewerage system, inadequate water supply and garbage collection system, resulting in groundwater pollution; proliferation of pests (rodents, insects, bacteria, etc.)” [69].
In the cities of the South, demographic growth causes heterogeneity of poor households to various forms of lumpenproletariat in addition to socioeconomic inequalities and increased social polarization [30]. Beyond these anthropogenic phenomena and their socioeconomic consequences, it seems appropriate, in the specific case of Haitian cities, to take into account the marked mode of disaster management, according to Desse et al. [68] by “the absence of good coordination between numerous actors within the framework of what we will call humanitarian supervision. Popular strategies of rehousing or access to housing then developed after the catastrophes, hence the pressure on the peri-urban belts. Indeed, all the imbalances suffered by Haitian cities come from their risky growth. The poor occupation of space and the environmental degradation it induces are at the basis of the production of vulnerabilities that have contributed to disasters”.
It is in this environmental context characterized, among other things, by an absence of an urban development policy exposed by the earthquake of January 12, 2010 that the human settlement Canaan was founded. The first CANAAN occupants occupied the premises during the first months following the earthquake, ie February/March 2010 [70]. As of April 2010, Canaan lacked basic urban infrastructure such as water, sanitation, and electricity [15]. The situation of Canaan is, however, particularly critical because of the characteristics of the site and the circumstances which led to its rapid settlement.
3.2 Canaan: its creation and its history
The 2010 earthquake was the founding element of many camps established in the metropolitan region of Port-au-Prince while waiting for the issue of the homeless due to the destruction of numerous housing losses to be addressed, and for the right to living in a viable space is applied. The omnipresence of camps throughout the devastated region highlights an often hidden population in Haiti with a major component, that of the poorest. Inside the camps - places of waiting - there is a diversity of people among whom their houses had been destroyed, others coming from disadvantaged neighborhoods and who found in the camps of better living conditions [71].
Canaan is located in the far north of the Metropolitan Region of Port-au-Prince (RMPP), about 18 km from the city center, precisely on a house formerly called Corail Cesselesse, in the communal section of Varreux II, Municipality of the Croix-des-Bouquets. Before 2010, this vast virgin and arid space housed a few peasant families who practiced animal husbandry. For more than 250,000 people, this space has accommodated informally, outside of any urban planning. This dry and hot region with low rainfall (on average 900 mm/year) was declared a public utility area in 1971 with a view to tourist development [72]. Among others, private projects of great importance were considered as part of a master plan for the development of the North Pole. Canaan was the subject of another declaration of public utility published in the Official Journal le Moniteur of March 22, 2010 for the purpose of relocating the victims of the earthquake. This decision first appears to provide a solution to emergency needs following the numerous housing losses and under the weight of land pressure facing the metropolitan region of Port-au-Prince (RMPP). However, previous initiatives never went beyond the project framework for several reasons, including lack of political will for follow-up, lack of funding and the complexity of the land issue. Since then, this space has experienced rapid development with newcomers coming from all over, in search of better living conditions and land ownership [73] to constitute a vast informal habitat [71]. As a system of predatory land developed, “land speculators” saw the opportunity for cheap land to be valued [72]. However, the presidential decree declaring the zone of public utility in its article 2 - Monitor of March 22, 2010 - stipulates that “all construction work, road boring, subdivision or other exploitation of the land, as well as any transaction or real estate alienation”were prohibited there. But over time, the complexity of making it a public space given the high rate of compensation that this population would claim for their relocations would be far too costly. The geographic coordinates of Canaan are 18 ° 38 ‘46 “N, 72 ° 16’ 23” W [74].
3.3 The territory of Canaan: morphology and modes of occupation
Bodson et al. [75] consider that “the recent settlement of the territory of Canaan in the communes of Croix des Bouquets, Thomazeau and Cabaret is part of a major trend which affects all areas near Port-au -Prince. On the other hand, it constitutes a unique phenomenon by the speed of its emergence and by its importance. At the beginning of 2010, the territory was almost unoccupied. The trigger for this meteoric expansion was the presidential decree of March 22, 2010. It followed a very rapid “spontaneous” occupation of the territory”. Figure 8 presents the map of Canaan [76].
Figure 8.
Map of Canaan [76]- (map: Reprinting with permission of authors).
The very dry climate and the very dispersed plant cover make the territory a semi-desert area. Along with the poor vegetation cover, the territory is exposed to three major natural environmental risks. Risks related to irregular surface water flows and the lack of availability of quality water have been identified, seismic risks and risks of landslide and surge of friable tailings [77].
In addition to the natural vulnerabilities of the territory, there were major deficiencies in the process of allocating plots and in the organization of services, which could not keep up with the accelerated pace of residential construction. When the post-earthquake emergency response organizations left, national and municipal public authorities did not take over. Besides, could they have done it in the face of the speed and enormity of the current phenomenon? In the absence of the involvement of national and municipal public authorities, the new inhabitants, in collaboration with numerous private initiatives, have organized themselves according to priority emergencies and limitations in the means available. Together with the increase in housing, a relatively dense network of streets and dirt roads (see map below) has thus developed under the control of “local solidarity” and has emerged with the help of private organizations (Protestant missions, Catholic organizations …) a set of initiatives offering fragments of basic services. The result is a relatively large and complex urban fabric but private, despite the many partial achievements in progress, important basic services to the population, in particular as regards the availability of water for the daily needs of the population. and treatment of sewage and waste.
This situation is not unique to Canaan. It is found in various forms throughout the neighborhoods of the wider area of Port-au-Prince. It is nevertheless particularly acute there because of the characteristics of the site and the circumstances which led to its rapid settlement. Canaan is a very vulnerable epidemiological environment today. Little is known about living conditions there. It is in this perspective that we conducted a survey of a sample of 439 households [15]. Carried out within the framework of the research program “Water in the human settlements of the future”, of the Center for Research and Support for Urban Policies (CRAPU) of the University of Quisqueya, this survey aimed to analyze the problems of availability and use of water for households located in Canaan and their possible link to the vulnerability of its population to water-borne diseases. Households were selected on the basis of a Simple Systematic Sampling (SSS) design. This plan had to adjust the sounding pitch to take into account the peculiarities of the terrain and as such must be considered non-standard. The selected households are spread over 6 territorial sections of Canaan (11.62% in Canaan 1, 18.68% in Canaan 2, 38.50% in Canaan 3, 5.01% in Canaan 4, 8.66% in Canaan 5, 17.54% in Jerusalem and Bellevue). These 6 sections do not cover the whole of the territory commonly referred to by Canaan, but include most of the nucleus behind the current expansion [15, 75].
3.3.1 Socio-economic characteristics of households
The households appearing in the sample present characteristics similar to those highlighted by the ECVMAS 2012 survey [78] for the metropolitan area, but some traits are modified due to the contribution massive migration that Canaan has experienced since the 2010 earthquake.
Heads of household are on average 42 years old. They are mostly men (60%). These figures contrast with the data from ECVMAS 2012 for the metropolitan area where the average age of heads of household is 46 and where the proportion of women heads of household is 49% [78]. Their level of education is generally slightly lower than that observed in the metropolitan area. The vast majority of heads of household (98%) live in the household. 72% of these are married or “placed”.
4.56% of the households surveyed nevertheless have a dwelling provided by humanitarian aid. The homes are located in plots that are generally larger than those in precarious neighborhoods in the metropolitan area. The plots are not systematically contiguous. The result is a relatively dispersed residential space in contrast to the majority of urbanized spaces in the metropolitan area. Residential housing is systematically built on one level. The materials used reflect a very great precariousness.
These households have an average of 5.11 people. In the metropolitan area, this average is 4.5. There are many under 18 s in the households surveyed: 2.25 on average per household, which at least partially explains the difference observed compared to the metropolitan area. The household profile thus partially resembles the mononuclear family without however excluding the extended family profile. The size of the households leads to an overloading of inhabited spaces.
In addition to the overload of occupancy, there are major deficiencies in the services directly associated with homes. Toilets are systematically rudimentary or non-existent. Private toilets are nevertheless predominant (73%). These are very generally located near the inhabited structure or are contiguous to it. Access to electricity from city power is limited to 26.7% of the households surveyed.
Solid waste is treated in a very rudimentary manner. Evacuation by truck from the town hall is almost non-existent (0.5%). The majority of solid waste is incinerated, most often near the house, but dumping in the ravine or in vacant lots is also a common practice (16.6%). In addition, 5.3% of households do not specify what to do with their solid waste. In turn, wastewater receives virtually no specific treatment. For 87.2% of the households interviewed, wastewater is simply thrown outside. 3.2% nonetheless have a canal or ditch to facilitate the evacuation of wastewater, while the remaining 9.1% use another system without specifying the details.
3.3.2 Problems of water availability and use
How are the problems of availability and use of water addressed in this environment marked at the same time by semi-desert climatic conditions, by very rapid population growth, widespread poverty, rudimentary development of residential habitats and degradation? of the environment associated with it? In Canaan, easily accessible quality water resources are systematically lacking. The rains there are relatively infrequent and flow quickly to the surface in a torrential manner. The water in the first levels of the aquifer is salty.
237 water points had been identified, the vast majority of which are located in the 6 sectors of the area covered by the survey. For 166 selected households, an average of 16% of the household head’s income is devoted to water. For 25% of households, the percentage of water weight in monthly income exceeds 24% [15].
3.3.3 Vulnerability to diseases associated with the environment
The vast majority of households settled in Canaan are confronted with extremely precarious situations which come from constraints from the natural environment, income limitations, installation conditions (land tenure, quality housing, lack of infrastructure) and the progressive degradation of the environment. The health conditions associated with this context have serious shortcomings and expose the population to increased risk of disease. The households contacted by the survey were affected in various ways by several diseases (diarrhea - 54%; cholera - 3.6%; malaria - 28.9%; typhoid - 19.8%) associated with the modalities according to which health relations are managed at the environment.
The occurrences per household of the diseases mentioned were grouped together and calibrated into an “index of vulnerability to environmental diseases scaled from 0 to 10. The value 0 corresponds to the absence of any “environmental” disease in the household considered, taking into account the sector where it is located. The value 10 corresponds to a situation where all the households surveyed in a sector would have incurred all the diseases considered by the survey. Over the entire area covered by the survey, the vulnerability index to “environmental” diseases stands at 3.06. The vulnerability index is higher (3.10) in sectors 1, 2, 3 compared to sectors 4, 5 (2.97). On the other hand, this difference fades as certain social-demographic characteristics of households are taken into consideration, the quality of drinking water and water for other domestic uses, and the attitude towards - with regard to the various uses of water (whether or not to distinguish drinking water from other uses), supply systems, certain housing infrastructures, additional water treatment.
The vulnerability index to “environmental” diseases is positively correlated with the size of households (.16 **), with the proportion of young people under 18 in the household (.16 **), but more weakly with proportion of women in the household (.08). It is also negatively correlated in a very statistically very significant way with the quality of drinking water (−.25 **) and with the quality of water for other domestic uses (−.22 **). The explicit distinction by households between drinking water and water for other domestic uses seems to play an important role (F: 9.96, Sig. 002) on the level of vulnerability to environmental diseases. This index stands at 2.97 if the distinction is explicit, but rises to 3.32 otherwise. The choices of supply systems also seem to have a determining influence on the level of vulnerability to environmental diseases. If the drinking water supply is by gallon / sachet, the environmental disease vulnerability index is 2.98, but rises to 3.29 when using other water supply systems. The F-test (8.54) for the relationship between the two variables is statistically very significant (.004). The use of the truck-based supply system when it comes to water for other domestic uses also seems to have a beneficial, but statistically less precise, effect on vulnerability to environmental diseases (F: 3.61 Sig: .058). The environmental disease vulnerability index is 2.99 if the truck-based supply system is used, but rises to 3.17 if other supply systems are preferred.
Whether it is water for drinking or water for other household uses, a number of households resort to water treatment. Do these practices, which are both diverse and variable in their application, help reduce the vulnerability of households to “environmental” diseases? It should be noted first of all that these practices concern a limited percentage of households: 39.2% of households if it is water for drinking and 64.7% of households if it is water for other uses. Domestic workers.
With regard to drinking water, recourse to the Aquatab methods - sodium hypochlorite tablet - (2.95), water filter (2.91) and “Other” (2.59) seem to promote a reduction in vulnerability to environmental diseases. It is quite different if it comes to the use of sodium hypochlorite in liquid form. In this case, the Vulnerability Index increases (3.36) suggesting that this method, as used, makes the situation worse.
If it concerns water treatments for other domestic uses, the results of the statistical analysis are in the same direction as for the treatment of drinking water with regard to the System filter and Aquatab methods but are not statistically significant (F: 1.52, Sig: .20) for all the categories considered. In addition, the results are dominated by the more frequent use of sodium hypochlorite in liquid form, which appears to correspond to an increased vulnerability to “environmental” diseases.
Toilets and their use for the disposal of human excreta can be contaminating factors favoring the spread of environmental diseases. According to the survey data, the average differences in the index of vulnerability to environmental diseases after the methods of disposal of human excreta are not statistically significant. However, we should highlight the almost generalized use of private latrines (73% of households surveyed) and the higher average level of the index of vulnerability to environmental diseases associated with it (3.11), a situation which suggests poor conditions on the health plan in the organization and use of private toilets.
The various factors mentioned interact together on the level of vulnerability to environmental diseases. Their joint incidence was studied by multiple regression.
All the independent variables retained in the model give rise to statistically significant estimates that follow the same logic as that suggested by the bivariate analysis. The estimates highlight the vulnerability to environmental diseases of two categories of people: those under 18 and women. The quality of the water, whether it is drinking water or water for other household uses, contributes to reducing vulnerability to environmental diseases. Implicitly, this type of relationship concerns two major modes of water supply: the purchase of drinking water by gallon / sachet and the delivery of water by truck. These two supply methods are indeed decisive for the quality of the water. According to the estimates obtained, they also contribute directly to the reduction of vulnerability to environmental diseases.
4. Conclusion
Improving living conditions in a sustainable perspective in Canaan presents major challenges. What avenues of intervention should be encouraged or prioritized to facilitate favorable development for the population while taking into account the heavy constraints that weigh on their daily lives? Examination of the data collected by the survey opens up some avenues for reflection that could guide interventions in the field, including from a short-term perspective.
The methods of integrating households in Canaan compromise the quality of life in many aspects: WASH of questionable quality, poor housing, lack or deficiencies in infrastructure and / or basic services, lack of treatment of solid and liquid waste, serious deficiencies in health infrastructures and their functioning, profound degradation of the environment.
In practice, however, local community groups occupy an almost exclusive key position in responding to the basic service needs of the populations. A greater margin for improving the situation is nevertheless accessible from the involvement of these groups and the mobilization of the local population. However, it is a complex challenge to take up because it requires from the population, at the same time an awareness of the situation and of the current issues, sustained and systematic steps of consultation and decision-making. Organization, mastery of a varied range of skills and discipline to promote the best accessible development conditions while minimizing negative external repercussions on the community and the environment.
In the current context of scarce resources and the destitution of almost all households, many loopholes are likely to arise and remain in this community approach. Analysis of the survey data revealed several:
The non-distinction on the part of many households between drinking water and water for other domestic uses,
the ineffectiveness of home water treatments,
the operation of private toilets,
methods of disposal of wastewater, solid waste and human excreta.
To address these difficulties, targeted interventions to be implemented in consultation and with the participation of local communities would benefit from being considered.
This is particularly the case for water used by households. Measures taken by households to treat water seem unlikely at this stage to even reduce vulnerability to environmental diseases. Household training programs would no doubt be appropriate. But the problem could also be corrected at its source by means of systematic and controlled treatment of the water delivered by gallons and / or by truck.
Complementary to this systematic and controlled treatment, the density of water access points could be intensified. Well coordinated by community groups, this operation could also help reduce spatial disparities in water prices for households. This type of improvement would particularly help to reduce the percentage of households not distinguishing between drinking water and water for other domestic uses.
A support program for the functional establishment of private washrooms would also help reduce the risk of contamination and reduce vulnerability to environmental diseases.
It is also important that local health care organizations take into account the most vulnerable categories of the population, including young people and women.
In setting up these adjustments, consultation with local groups, their initiative and their involvement are essential conditions for success.
Acknowledgments
The authors are thankful to FOKAL-Open Society Foundation Haiti, the AOG (Association communautaire paysanne des Originaires de Grande Plaine) and the SCAC (Service de Coopération et d’Action Culturelle) of the France Ambassy in Haiti for their financial support.
\n',keywords:"slums, vulnerability index, urban precariousness, water and sanitation quality, overpopulation, Canaan",chapterPDFUrl:"https://cdn.intechopen.com/pdfs/76363.pdf",chapterXML:"https://mts.intechopen.com/source/xml/76363.xml",downloadPdfUrl:"/chapter/pdf-download/76363",previewPdfUrl:"/chapter/pdf-preview/76363",totalDownloads:2,totalViews:0,totalCrossrefCites:0,dateSubmitted:"October 5th 2020",dateReviewed:"February 1st 2021",datePrePublished:"April 20th 2021",datePublished:null,dateFinished:"April 20th 2021",readingETA:"0",abstract:"Haitian cities are more and more prone to demographic growth, which has a lasting effect on water distribution infrastructures, as well as those that make it possible to clean it up. They are in touch with the growing demand for water, but also with the management methods of this resource. Over the past 25 years, the enlarged agglomeration of Port-au-Prince, the largest agglomeration in the country, has experienced very strong urban expansion with the creation of new precarious spaces. The literature reports that Haiti is now more than 64% urban and 35% of its population lives in the metropolitan area of Port-au-Prince, in the West Department. Over the past decade, the footprint of the Port-au-Prince metropolitan area has grown by 35%. Recent observations on the formation and development of some slums highlight the country’s vulnerability to land-based hazards, which support this form of urbanization through the emergence of environmental displaced persons. Canaan, a human settlement created following the earthquake of January 12, 2010 by presidential decree, and inhabited by the victims of this event, has a deficit in infrastructure and basic urban services. The results of our previous work on this territory lead to a much more in-depth reflection on the need to develop an index of vulnerability to environmental diseases for the population. In fact, most of the households that live there face very precarious situations. The health conditions associated with this context expose the population to increased risks of disease. The measures taken by families to treat water at home do not seem to limit their vulnerability to environmental diseases (infectious and chronic). Improving living conditions in Canaan with a view to sustainability therefore underlies major challenges. What avenues of intervention should be favored to facilitate a favorable development of the population, while taking into account the strong constraints that weigh on their daily lives? The objective of this study is precisely to analyze the vulnerability of the population to water-borne diseases.",reviewType:"peer-reviewed",bibtexUrl:"/chapter/bibtex/76363",risUrl:"/chapter/ris/76363",signatures:"Yolette Jérôme, Magline Alexis, David Telcy, Pascal Saffache and Evens Emmanuel",book:{id:"10349",title:"Environmental Health",subtitle:null,fullTitle:"Environmental Health",slug:null,publishedDate:null,bookSignature:"Prof. Takemi Otsuki",coverURL:"https://cdn.intechopen.com/books/images_new/10349.jpg",licenceType:"CC BY 3.0",editedByType:null,isbn:"978-1-83968-721-1",printIsbn:"978-1-83968-720-4",pdfIsbn:"978-1-83968-722-8",editors:[{id:"34101",title:"Prof.",name:"Takemi",middleName:null,surname:"Otsuki",slug:"takemi-otsuki",fullName:"Takemi Otsuki"}],productType:{id:"1",title:"Edited Volume",chapterContentType:"chapter",authoredCaption:"Edited by"}},authors:null,sections:[{id:"sec_1",title:"1. Introduction",level:"1"},{id:"sec_2",title:"2. The sanitary conditions of the slums of Port-au-Prince in the face of morbidity due to water, sanitation and hygiene",level:"1"},{id:"sec_2_2",title:"2.1 Urban socio-spatial organization of Port-au-Prince",level:"2"},{id:"sec_3_2",title:"2.2 Sustainable access to safe water supply and basic sanitation services",level:"2"},{id:"sec_4_2",title:"2.3 Access to water in the slums and the prevalence of water-borne diseases in Port-au-Prince",level:"2"},{id:"sec_6",title:"3. Canaan: a shanty town built in a drought-stricken area",level:"1"},{id:"sec_6_2",title:"3.1 Canaan: a new human settlement in the environmental and urban context of Haiti",level:"2"},{id:"sec_7_2",title:"3.2 Canaan: its creation and its history",level:"2"},{id:"sec_8_2",title:"3.3 The territory of Canaan: morphology and modes of occupation",level:"2"},{id:"sec_8_3",title:"3.3.1 Socio-economic characteristics of households",level:"3"},{id:"sec_9_3",title:"3.3.2 Problems of water availability and use",level:"3"},{id:"sec_10_3",title:"3.3.3 Vulnerability to diseases associated with the environment",level:"3"},{id:"sec_13",title:"4. Conclusion",level:"1"},{id:"sec_14",title:"Acknowledgments",level:"1"}],chapterReferences:[{id:"B1",body:'Tallon, P., Magajna, B., Lofranco, C., & Leung, K. T. (2005). Microbial indicators of faecal contamination in water: a current perspective. Water, air, and soil pollution, 166(1-4), 139-166.'},{id:"B2",body:'WHO. (2006). 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Débats et enjeux au niveau mondial. Partage des eaux. https://www.partagedeseaux.info/Gouvernance-de-l-eau-l-evolution-des-modeles-au-niveau-international'},{id:"B7",body:'IS@D (2014). 1992 Conférence èinternationale sur l’eau et l’environnement de Dublin. 26 Janvier - Principes de Dublin. Information sur le développement durable. (IS@D).https://ise.unige.ch/isdd/spip.php?article255'},{id:"B8",body:'Nations Unies (2000). Déclaration du Millénaire des Nations Unies. Résolution 55/2 de l’Assemblée générale. New York: Nations Unies.'},{id:"B9",body:'WHO/UNICEF. (2000). Global water supply and sanitation assessment 2000 report. Geneva:World Health Organization.'},{id:"B10",body:'Herischen, D., Ruwaida, M. S., & Blackburn, R. (2002). Répondre au défi urbain. Population Reports, Série M, 16, 23.'},{id:"B11",body:'UN-Water WWAP. (2006). L’eau : une responsabilité partagée. Résumé du 2ème rapport mondial des Nations Unies sur la mise en valeur des ressources en eau. 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Suivi des progrès dans la lutte contre les maladies non transmissibles 2020. https://apps.who.int/iris/bitstream/handle/10665/332337/9789240002593-fre.pdf'},{id:"B58",body:'Angerville R., Emmanuel E., Nelson J., Saint-Hilaire P. Evaluation of the fluorine concentration in the water resources of hydrographic area “Centre-Sud” of Haïti. Proceedings of 8th annual CWWA and 4th AIDIS region 1 conference. Kingston, Jamaica, October 4 to 8, 1999. CDROM.'},{id:"B59",body:'Gonfiantini, R., Simonot, M. (1989) Isotopic study of the groundwater of the flatland of Cul-de-Sac, Republic of Haiti (No. IAEA-TECDOC--502).'},{id:"B60",body:'Bois M., Emmanuel E., Prévilon E., Laraque E. (1999). Water salinity evaluation from the principal wells of Cul-de-Sac groundwater supplying tank trucks. Proceedings of 8th annual CWWA and 4th AIDIS region 1 conference. Kingston, Jamaica, October 4 to 8, 1999. CDROM.'},{id:"B61",body:'Isa NM, Aris AZ, Sulaiman WNAW (2012) Extent and severity of groundwater contamination based on hydrochemistry mechanism of sandy tropical coastal aquifer. Science of the Total Environment, 438:414-425.'},{id:"B62",body:'Fifi U. (2010). Impacts des eaux pluviales urbaines sur les eaux souterraines en zone tropicale : Mécanismes de transfert de métaux lourds à travers un sol modèle de Port-au-Prince (Haïti). Cotutelle de thèse École Doctorale Chimie de Lyon (Chimie, Procédés et Environnement), Institut National des Sciences Appliquées de Lyon, et École Doctorale Société et Environnement, Université Quisqueya. https://uniq.edu.ht/upload/inside_articles_document/9534_these%20urbain%20fifi.pdf'},{id:"B63",body:'Emmanuel, E., Angerville, R., Joseph, O., Perrodin, Y. (2007). Human health risk assessment of lead in drinking water: A case study from Port-au-Prince Haiti. International Journal of Environment and Pollution, Vol. 31, Nos. 3/4, 280-291.'},{id:"B64",body:'Fifi, U., Winiarski, T., & Emmanuel, E. (2013). Assessing the mobility of lead, copper and cadmium in a calcareous soil of Port-au-Prince, Haiti. International journal of environmental research and public health, 10(11), 5830-5843.'},{id:"B65",body:'Emmanuel, E., de Tricornot, H., Theodat, J.-M., Lucien, G.E., Roy, P.-M., Bodson, P. (2012). L’habilitation urbaine post- séisme de Port-au-Prince : quel rôle pour les universités et la recherche?. Pré-actes du colloque international Réhabilitation urbaine de Port-au-Prince, 16-20 avril 2012. Port-au-Prince:Université Quisqueya,75p. https://www.researchgate.net/publication/324503451_Pre-actes_du_Colloque_international_habilitation_urbaine_post-seisme_de_Port-au-Prince_quel_role_pour_les_universites_et_la_recherche'},{id:"B66",body:'Ribordy, V., Yersin, B., & Vittoz, G. (2002). Catastrophe ou accident majeur: risques dans les pays industrialisés. Médecine et hygiène, 1424-1429.'},{id:"B67",body:'Desse, M., Clerveau, M., & Lucien, G. E. (2017). Crises et extension urbaine au cœur du pro-cessus de production des vulnérabilités pré et post catastrophes des années 2000 en Haïti. In. : Bezunesh Tamru, Evens Emmanuel, Alphonse Yapi-Diahou, Anie Bras, Jean-Fritzner Etienne. Quel développement urbain pour la ville post-crise? Pétion-Ville : Editions Pédagogie Nouvelle S.A., pp 93-96.'},{id:"B68",body:'Pigeon, P., (2012). Paradoxes de l\'urbanisation. L’Harmattan, 280p.'},{id:"B69",body:'Gubry, P. (1996). L’environnement urbain. In. Population et environnement dans les pays du Sud. Paris : Karthala, pp.273-288.'},{id:"B70",body:'Holly, G. (1999). Les problèmes environnementaux de la région métropolitaine de Port-au-Prince. Port-au-Prince, ouvrage collectif, Commission pour la commémoration du 250è anniversaire de la fondation de la ville de Port-au-Prince.'},{id:"B71",body:'Corbet, A. (2014). Haïti : d’un camp à l’autre. Michel Agier. Un monde de camps, La Découverte, Hors collection Sciences humaines, pp.233-244, 9782707183224. ⟨halshs-01109909⟩'},{id:"B72",body:'Noël R. (2012). Reconstruction et environnement dans la région métropolitaine : Cas de Canaan ou la naissance d’un quartier ex-nihilo. Port-au-Prince: Group URD, [en ligne], http://www.urd.org/IMG/pdf/ReconstructionetEnvironnement_Rapport_Canaan_Nov2012.pdf.'},{id:"B73",body:'Corbet A (2012). Approche communautaire en Haïti: décryptage de la notion de communautés et recommandations. Rapport de recherche. Port-au-Prince : Groupe URD. https://hal.archives-ouvertes.fr/ha'},{id:"B74",body:'ONU-HABITAT (2015). Une vision stratégique et structure urbaine pour Canaan. Première Charrette de planification urbaine. Rapport. Port-au-Prince:ONU-HABITAT.'},{id:"B75",body:'Bodson, P., Emmanuel, E., Jérôme, Y., Thérasmé, K. (2018). Santé et conditions de vie à Canaan aux confins de Port-au-Prince. In. : Perspectives de développement de l’Aire Métropolitaine de Port-au-Prince, Horizon 2030. Université du Québec à Montréal. Rapport de recherche, Programme de recherche dans le champ de l’urbain PRCU FED/2015/360-478. Port-au-Prince, pp 235-250. ⟨hal-01944107⟩'},{id:"B76",body:'Petter, A. M., Labbé, D., Lizarralde, G., & Goulet, J. (2020). City profile: Canaan, Haiti-A new post disaster city. Cities, 104, 102805.'},{id:"B77",body:'OXFAM GB (2014) Rapport final d’évaluation technique des menaces naturelles de la commune de Croix-des-Bouquets (Haïti) - Guide méthodologique. Londres: OXFAM GB. 77p. https://www.preventionweb.net/files/38544_38544rapportconsultationcartographi.pdf'},{id:"B78",body:'Herrera, J., Lamaute-Brisson, N., Milbin, D., Roubaud, F., Saint-Macary, C., Torelli, C., Zanuso, C. (2014). L\'évolution des conditions de vie en Haïti entre 2007 et 2012 : la réplique sociale du séisme. Paris (FRA) ; Port-au-Prince : DIAL ; IHSI, 220 p. https://www.documentation.ird.fr/hor/fdi:010062827#'}],footnotes:[],contributors:[{corresp:null,contributorFullName:"Yolette Jérôme",address:null,affiliation:'
Université Quisqueya, Centre de Recherche et d’Appui aux Politiques Urbaines (CRAPU), Haïti
Université des Antilles, Faculté des Lettres et Sciences Humaines - Laboratoire de Recherche GEODE Caraïbe (EA 929), Schoelcher, Martinique
Association Haïtienne Femmes, Science et Technologie (AHFST), Haïti
Association Haïtienne Femmes, Science et Technologie (AHFST), Haïti
Université Quisqueya, Faculté des Sciences, de Génie et d’Architecture (FSGA), Programme de Maîtrise en Aménagement et Développement Urbains des Quartiers Précaires, Haïti
Université Quisqueya, Faculté des Sciences, de Génie et d’Architecture (FSGA), Programme de Maîtrise en Aménagement et Développement Urbains des Quartiers Précaires, Haïti
Université Quisqueya – École doctorale “Société et Environnement” (EDSE), Haïti
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In our mission to support the dissemination of knowledge, we travel throughout the world to present our publications, support our Authors and Academic Editors at international symposia, conferences, and workshops, as well as to attend business meetings with science, academic and publishing professionals. We are always happy to meet our contributors in our offices to discuss further collaborations. Take a look at where we’ve been, who we’ve met and where we’re going.
",metaTitle:"IntechOpen events",metaDescription:"In our mission to support the dissemination of knowledge, we travel worldwide to present our publications, authors and editors at international symposia, conferences, and workshops, as well as attend business meetings with science, academia and publishing professionals. We are always happy to host our scientists in our office to discuss further collaborations. Take a look at where we’ve been, who we’ve met and where we’re going.",metaKeywords:null,canonicalURL:"/page/events",contentRaw:'[{"type":"htmlEditorComponent","content":"
27-28 August, 2019 Smart University Foundation, Ankara, Turkey
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18-19 July, 2019 Spanish Research Council Meeting, Madrid, Spain
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12 July, 2019 Lectures, Kings College London Waterloo Campus, United Kingdom Lecture. 1: Intro to Robotics (focus on robotics in the area of health) Lecture. 2: My career in publishing, my background, scientific open access publication and IntechOpen
27-28 August, 2019 Smart University Foundation, Ankara, Turkey
\n\n
18-19 July, 2019 Spanish Research Council Meeting, Madrid, Spain
\n\n
12 July, 2019 Lectures, Kings College London Waterloo Campus, United Kingdom Lecture. 1: Intro to Robotics (focus on robotics in the area of health) Lecture. 2: My career in publishing, my background, scientific open access publication and IntechOpen
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