What if a wall could restore degrading land or save biodiversity? Imagine that it stretched from Senegal to Djibouti, was about three times the size of the Great Barrier Reef, and made entirely of trees and vegetation. With an influx of funding from a coalition of international development banks and governments, that wall is one step closer to becoming reality.
In 2007, the African Union launched the Great Green Wall initiative, as part of Declaration 137 VIII. The goal was to restore Africa’s degraded landscape by planting vegetation about 10 miles wide and over 4,000 miles long in the Sahel region, at the southern edge of the Sahara desert. The goal has since evolved to address not only degradation, but land use, peacebuilding, and climate change.
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