The seedlings are ready. One hundred and fifty thousand shoots of drought-resistant acacia, hardy baobab and Moringa spill out of their black plastic casings. The ground has been prepared with scores of kilometer-long furrows leading to a horizon studded with skeletal thorn trees. It’s early August, and in less than a week, 399 volunteers from 27 countries will arrive in this remote corner of northern Senegal to participate in one of the world’s most audacious efforts to combat the effects of climate change: an $8 billion plan to reforest 247 million acres of degraded land across the width of Africa, stretching from Dakar to Djibouti. The Great Green Wall project, spearheaded by the African Union and funded by the World Bank, the European Union and the United Nations, was launched in 2007 to halt the expansion of the Sahara by planting a barrier of trees running 4,815 miles along its southern edge. Now, as concerns mount about the impact of climate change on the Sahel, the semiarid band of grassland south of the Sahara that is already one of the most impoverished regions on earth, the Great Green Wall is filling a new role. The goal now, say its […]
Can a 4,815-Mile Wall of Trees Help Curb Climate Change in Africa?

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