Biochar - the future of sustainable agriculture: Lauren Hale at TEDxUCR
9:25
An Innovative Farming Model for the Next Generation | Clara Coleman | TEDxDirigo
14:05
A colorful tapestry for sustainable agriculture | Martin Hartmann | TEDxZurich
18:34
TEDxBerkeley - Lopa Brunjes - Biochar: An Ancient Solution to a Modern Problem
13:07
From sand to soil in 7 hours | Ole Morten Olesen | TEDxArendal
13:05
The Hope in Healthy Soil | Gabe Brown | TEDxFargo
8:51
Soil-free agriculture [English]: Yuichi Mori at TEDxTokyo
12:18
Biochar -- Putting the carbon Genie back in the bottle: Rob Lerner at TEDxSanMiguelDeAllende (2013)
9:39