African countries are building a “Great Green Wall” to beat back the Sahara desert

Eleven African countries are moving ahead with an ambitious pan-African effort in the Sahel-Saharan region of the continent to protect arable land from the encroaching Sahara desert, by planting trees.

The countries—Djibouti, Eritrea, Ethiopia, Sudan, Chad, Niger, Nigeria, Mali, Burkina Faso, Mauritania, and Senegal, came together in 2007 to execute the $2 billion dollar project to arrest the creeping desertification in the region. The 15 kilometers (9 miles) wide and 7,775 kilometers (4,831 miles) long tree wall will stretch all the way from Senegal in west Africa to Djibouti in the east.

Desertification is a growing problem in sub-Saharan Africa. Estimates suggest that 40% of the region’s land has been impacted, exposing over 500 million people to devastating shifts in their environment and general livelihoods. These have included land erosion and decreasing rains that have subsequently crippled agriculture, exposed communities to health risks that come with increasing sandstorms and food shortages. The resulting insecurity has also contributed to the rise in extremism in parts of West Africa, some analysts contend.

Read more here: http://qz.com/579682/african-countries-are-building-a-great-green-wall-to-beat-back-the-sahara-desert/

 

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