What will Africa's 'Great Green Wall' mean for climate change?

(KXAN) — Back in the 1970s and 80s, the area just south of the Saharan Desert, known as the Sahel, began to turn barren with worsening drought. The Sahel was known as a fertile stretch of land before this time and brought food security and seasonal monsoon rains to the regions nearby.
But food and water have become a scare commodity since those days — which is why the African Union launched Africa's "Great Green Wall" initiative in 2007. The goal, which is about 15% complete, is to p