![]() ![]() ![]() If the Sahel can be replanted, then the desert is pushed back. This region, the Sahel, is the transition zone from the Sahara to the more temperate Savannah, and the Sahara is not-so-slowly swallowing it. Put simply, the idea is plant a band of trees and foliage across the continent, from Senegal on the Atlantic coast to Djibouti in the Gulf of Aden. The world can be saved by planting trees in Africa, and that's the gist of the Great Green Wall initiative.
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