How to green the world’s deserts

“Desertification is a fancy way of saying that the land is becoming a desert -begins Allan Sarvory in this quiet, but powerful talk. And terribly is happening to about two thirds of the world’s grasslands, speeding up climate change and making that traditional pastoral societies sink into social chaos. Savory has dedicated his life to stop it. Now he believes, and in his work has shown so far, that a surprising factor can protect grasslands and even recovering degraded ground that once were desertic.”

(+ info)

(vía ted.com)