Why is Africa building a Great Green Wall? BBC News

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by BBC News 808,863

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 fight the effects of climate change by reversing desertification. A film by Amelia Martyn-Hemphill for BBC World Hacks. Please subscribe HERE http://bit.ly/1rbfUog World In Pictures https://www.youtube.com/playlist?list=PLS3XGZxi7cBX37n4R0UGJN-TLiQOm7ZTP Big Hitters https://www.youtube.com/playlist?list=PLS3XGZxi7cBUME-LUrFkDwFmiEc3jwMXP Just Good News https://www.youtube.com/playlist?list=PLS3XGZxi7cBUsYo_P26cjihXLN-k3w246





















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