The Great Green Wall of Africa
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Why is Africa building a Great Green Wall?

Eleven countries are planting a wall of trees from east to west across Africa, just under the southern edge of the Sahara desert.

The goal is to bring the dry lands back to life.

A film by Amelia Martyn-Hemphill for BBC World Hacks. Like, Share, Engage.

  • 26 Sep 2017
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