This lecture covers the objectives of the course, focusing on African cities' environment and sustainable development challenges. Topics include urban water access, solid waste management, urban agriculture, urban environment, and health. It also discusses sanitation coverage, rainwater management, and the legislative framework for waste management. The lecture explores urban agriculture definitions, functions, livestock development, and water reuse. Additionally, it addresses urban environment, health, and development concepts, emphasizing the relationship between water, disease, health profiles, and socio-economic environments.