Dr. Appiah-Opoku is a Professor of Geography at the University of Alabama, Tuscaloosa, USA. He teaches Urban Planning and Analysis, Land Use Regulation, World Regional Geography, and a field studies in Africa course. He teaches at both the undergraduate and graduate levels and has served on several thesis and dissertation committees. He is the author of two books and has edited five other books. His research focuses on environmental assessment, transportation planning, urban and regional planning, biodiversity conservation and ecotourism, environmental risk assessment, natural resource conservation, indigenous ecological knowledge, and international development. He is a member of the American Institute of Certified Planners and has officially contributed questions to the AICP exam. He has served on the international editorial board of the Journal of Environmental Impact Assessment since 2003 and has published scholarly articles in several renowned journals including Habitat International, Transport Research Part A: Policy and Practice, Journal of Urban Planning and Development, Journal of Transport and Health, Journal of Sustainable Development, Environmental Management, Environmental Impact Assessment Review, Journal of Cultural Geography, and Plan Canada. He served on the Technical Advisory Team that advised the government of Ghana on the preparation of a 40-year development plan for the country in 2015.