This 22' 20" video was published by TED on Mar 4, 2013: https://www.youtube.com/watch?v=vpTHi7O66pI
Ron: Desertification can be reversed. Allan Savory suggests what apppears to be a very useful solution using bunched livestock. He reckons his solution is "the only option" BUT it isn't. A major long term problem with Allan Savory's solution is that it requires humans to continue farming, slaughtering and eating animals as food. That practice needs to stop especially because of the barbarism involved.
Arguably there are other better solutions to overcoming desertification. In particular the methods developed by Permaculturalists See eg: Permaculture Behind Greening the Desert with Geoff Lawton full 8:40min clip - https://www.youtube.com/watch?v=keQUqRg2qZ0
As Geoff Lawton says: "You can solve all the world's problems in a garden."
Other successful solutions to reversing desertification include the methodologies used by the Chinese government which is reclaiming the Loess desert soils in north western China. See eg: Regreening the desert with John D. Liu - Docu - 2012 - http://abundanthope.net/pages/Environment_Science_69/Regreening-the-desert-with-John-D-Liu---Docu---2012.shtml
"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 and even reclaim degraded land that was once desert.
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