Salau, Ademola T. Global Environmental change:a research Agenda for Africa. - Dakar : CODESRIA, 1992. The publication deals with the Sub-Saharan and Sahelian drought of 1970s and the Ethiopian famine and the impact of environmental degradation in Africa. Subjects--Topical Terms: Environmental Degradation./Environment//Desertification//Drought//Africa//Ethiopia//Fam ine/.