One Trillion Trees

How a Great Green Wall could help Africa combat climate change

A dried up river filled with sand winds its way across the desert near Gos Beida in eastern Chad June 5, 2008. Africa's Sahel region suffers from desertification as fertile land gives way to sandy expanses creeping ever southward, compounding problems in a region already affected by wars and rebellions, many of them driven by competition for scant resources. REUTERS/Finbarr O'Reilly (CHAD) - GM1E4660CQ401

Regular droughts in the Sahel region lead to shortages of food and drinking water. Image: REUTERS/Finbarr O'Reilly (CHAD) - GM1E4660CQ401

Elvis Paul Tangem
Coordinator of the Great Green Wall Initiative, African Union Commission
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One Trillion TreesClimate ChangeForestsSustainable Development
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