Willie Smits: How to restore a rainforest

By piecing together a complex ecological puzzle, biologist Willie Smits believes he has found a way to re-grow clearcut rainforest in Borneo, saving local orangutans -- and creating a thrilling blueprint for restoring fragile ecosystems. UPDATE: December 2012: The core content of this talk has been challenged on a number of grounds. For details, and for Willie Smits' response to these criticisms, please see this page: http://www.ted.com/pages/791

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S2009E37 - Nalini Nadkarni explores canopy worlds