TEDTalk on reversing desertification

This is a great overview of how it is possible to reverse desertification using simple, nature inspired methods. This is like killing 5 birds with 1 stone. (Except it's actually more like saving those birds, hahah)

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


Summary: When livestock overgrazes it causes the land to turn to desert, however, the problem can be reverse by using EVEN MORE livestock to mimic natural herd movements.