Favorite talks
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Play
Willie Smits: How to restore a rainforest
20:42 Posted: Mar 2009
Views: 401,497 | Comments: 124
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Play
Paul Stamets: 6 ways mushrooms can save the world
17:44 Posted: May 2008
Views: 1,617,065 | Comments: 282
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William McDonough: Cradle to cradle design
20:05 Posted: Apr 2007
Views: 730,944 | Comments: 102