More than 20 African countries have joined an initiative with a genuinely striking goal: planting a belt of trees and restored land stretching coast to coast across the width of the continent, along the southern edge of the Sahara. It's called the Great Green Wall, and it was designed to fight desertification while restoring livelihoods for millions of people in the Sahel. … [Read more...] about The Great Green Wall: Africa’s Ambitious Plan to Hold Back the Sahara — and Why It’s Fallen Short So Far