Once complete, theGreat Green Wall of Africawill stretch 8000 km from Senegal to Djibouti, east-west across the entire continent of Africa, making it the largest living structure on the planet and saving the lives of tens of millions of people.

Originally designed in 2007 to be a 15 km wide band of trees and vegetation to stop the desertification of the Sahel region in sub-Saharan Africa, it has now grown far beyond its initial inception. With the help of more than 20 international organizations and governments, the project includes the ambitious goals of increasing employment, promoting renewable energy, reducing violence, ensuring food security, and many more, all of which are desperately needed, as the Sahel is considered to be among the poorest areas in the world and the hardest hit by climate change.

One of the key tools making this possible is the…