This study sets out to critically verify the trends, causes, challenges and way forward of environmental refugees (ERs) in sub-Saharan Africa (SSA). This analysis is based on a critical synthesis of more than 50 peer review papers that have various perspectives on the trends, causes, challenges and way forward of ERs globally and in SSA. It has been verified that in the 1990s, the number of ERs in SSA was about 7 million and the projections for 2010 and 2050 were 14 and 200 million respectively. Population dynamics are seen as the main cause of the crisis as they affect and coordinate droughts, vegetation degradation and wars. In the area of challenges and way forward, enacting a narrower definition of ERs in particular and a definition of refugees that encompasses ERs would be critical in enhancing monitoring of movements, demographics, setting time frames and enhancing research. In a global perspective, it has also been verified that, the causes of ERs in SSA have repercussions such as reduced rainfall and stressing up social, economic, political and environmental resources in different parts of the world. © 2014, Springer Science+Business Media Dordrecht.

Droughts Wars Vegetation degradation Population dynamics Environmental refugees Definitional polemics Monitoring

Wars Vegetation degradation Environmental resources Vegetation Sub-Saharan Africa Global perspective monitoring Environmental refugees Drought Definitional polemics Setting time Population Dynamics