Stop treating our soil like dirt! | Karen Wynne | TEDxHuntsville
15:20
Soil -- from dirt to lifeline: Fred Kirschenmann at TEDxManhattan
19:50
Humus - the essential ingredient: Graeme Sait at TEDxNoosa
13:07
From sand to soil in 7 hours | Ole Morten Olesen | TEDxArendal
13:28
3000-year-old solutions to modern problems | Lyla June | TEDxKC
16:25
Regeneration of Our Lands: A Producer’s Perspective | Gabe Brown | TEDxGrandForks
18:14
Soils Tell Stories | Angela Bedard-Haughn | TEDxUniversityofSaskatchewan
14:40
Compost king: Paul Sellew at TEDxBoston
14:42