2013-03-05 23:54 thomas.godart "Allan Savory: How to green the world's deserts and reverse climate change" #TED Talk How to fight desertification and reverse climate change play_circle_filled https://www.ted.com/talks/allan_savory_how_to_green_the_world_s_deserts_and_reverse_climate_change labelTED Talk check_box_outline_blank labelinteresting check_box