""Desertification is a fancy word for land that is turning to desert," begins Allan Savory in this quietly powerful talk. And terrifyingly, it's happening to about two-thirds of the world's grasslands, accelerating climate change and causing traditional grazing societies to descend into social chaos. Savory has devoted his life to stopping it. He now believes -- and his work so far shows -- that a surprising factor can protect grasslands"
Mr. Savory was also responsible for the killing of 40,000 elephants which you will hear him speak about.
https://www.youtube.com/watch?v=vpTHi7O66pI