Allan Savory: How to green the world's deserts and reverse climate change with livestock!

The great herds of animals that roamed the earth were an essential part of the ecosystem.  Their removal for monocropping and/or our system of limiting their movements has increased desertification. This Ted talk illustrates how proper grazing of large herds restores land.  

http://www.ted.com/talks/allan_savory_how_to_green_the_world_s_deserts_and_reverse_climate_change.html

Perhaps it's a good companion to the earlier post on grazing animals and growing grain in the same pasture using no till methods.  Especially in the parts of the world where they don't use giant machines to till, plant and harvest. 

See also this person's collection of articles on reversing climate change while meeting human needs that includes many of Allan Savory's articles. https://docs.google.com/document/d/1r1L5uMGs3AKFRYwOhBxamHkMNcA818qxmkbn3T4o6ig/pub