Allan Savory made great research in this field: http://www.ted.com/talks/allan_savory_how_to_green_the_world_s_deserts_and_reverse_climate_change http://www.te

Allan Savory made great research in this field: http://www.ted.com/talks/allan_savory_how_to_green_the_world_s_deserts_and_reverse_climate_change http://www.ted.com/talks/allan_savory_how_to_green_the_world...