Niger/Sahel: Building Peace in the Sahel with ‘the Great Green Wall’

May 26, 2022 | UNDP
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When it started in 2007, the Great Green Wall (GGW) was envisioned as a tree-planting initiative to restore Africa’s degraded landscapes and transform millions of lives in the Sahel. Initially targeted across 11 Sahelian nations, the campaign was built to halt the progress of the Sahara desert, which has grown by 10 percent since 1920.