TEDxHilo - Josiah Hunt - Biochar and the Future of Farming
12:18
Biochar -- Putting the carbon Genie back in the bottle: Rob Lerner at TEDxSanMiguelDeAllende (2013)
9:39
Biochar: The Oldest New Thing You've Never Heard Of | Wae Nelson | TEDxOrlando
17:05
Cows, Carbon and Climate | Joel Salatin | TEDxCharlottesville
20:46
Soil carbon -- Putting carbon back where it belongs -- In the Earth | Tony Lovell | TEDxDubbo
15:20
Suelo: de la suciedad a la línea de vida | Fred Kirschenmann | TEDxManhattan
10:34
Biochar - the future of sustainable agriculture: Lauren Hale at TEDxUCR
13:07
From sand to soil in 7 hours | Ole Morten Olesen | TEDxArendal
21:02