
The Associated Press @AP
A 'Great Green Wall' of trees crossing Africa was once envisioned as a way to fight climate change. But the bold project has stalled, shifting the focus to smaller, community-based projects in a battle to stop the expanding desert. Story: https://t.co/uYDxVYfK47 https://t.co/pUoCuZv1A9 — PolitiTweet.org