Allan Savory made great research in this field:<p><a href="http:&#x2F;&#x2F;www.ted.com&#x2F;talks&#x2F;allan_savory_how_to_green_the_world_s_deserts_and_reverse_climate_change" rel="nofollow">http:&#x2F;&#x2F;www.ted.com&#x2F;talks&#x2F;allan_savory_how_to_green_the_world...</a>