The “Great Green Wall” of Africa

A group of African nations are meeting to discuss plans to plant a continuous line of trees across the continent.  The “Great Green Wall” involves constructing a tree belt 9 miles (15 kilometers) wide and 4,831 miles (7,775 kilometers) long across the southern edge of the Sahara which includes 11 African countries from Senegal in the west to Djibouti, Ethiopia and the Indian Ocean in the east. 

Scientists hope the “Great Green Wall” will stop the encroaching desert, slow soil erosion, help slow wind speeds and help rainwater filter into the ground.

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