How the Great Green Wall Is Holding Back the Sahara Desert
How the Great Green Wall Is Holding Back the Sahara Desert
THe Great Green Wall being built in Africa to halt the southern progress of the Sahara Desert is a favorite public works project
THe Great Green Wall being built in Africa to halt the southern progress of the Sahara Desert is a favorite public works project of mine — it’s massive, ambitious, long-term, important, and if it works, the effect will repay the cost many times over. This video takes a quick look at some of the work being done on the wall in Senegal.