Biochar -- Putting the carbon Genie back in the bottle: Rob Lerner at TEDxSanMiguelDeAllende (2013)
18:34
TEDxBerkeley - Lopa Brunjes - Biochar: An Ancient Solution to a Modern Problem
9:39
Biochar: The Oldest New Thing You've Never Heard Of | Wae Nelson | TEDxOrlando
20:46
Soil carbon -- Putting carbon back where it belongs -- In the Earth | Tony Lovell | TEDxDubbo
17:05
Cows, Carbon and Climate | Joel Salatin | TEDxCharlottesville
13:07
From sand to soil in 7 hours | Ole Morten Olesen | TEDxArendal
14:41
¡Tranqui, que vos podes! | Ale Ortega | TEDxSaintGregory'sCollege
6:42
AI - Friend, Foe or the Future We Create | Nihal Karthikeya Addala | TEDxWestberry School Youth
15:20