A 5,000-mile living wall could hold back the world's largest desert
CNN
The Great Green Wall initiative aims to stop the spread of the Sahara Desert by restoring 100 million hectares of land across 11 countries in North Africa.
The Sahel region, a semi-arid belt that acts as a buffer zone just south of the desert, is most affected. Water, already scarce, is becoming scarcer. Soil quality is deteriorating, and a lack of vegetation is leading to food insecurity. The UN estimates roughly 135 million people who depend on these degraded lands are at risk.More Related News
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