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Stewart Brand:
4 environmental 'heresies'

TED@State · 16:42 · Filmed Jun 2009
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The man who helped usher in the environmental movement in the 1960s and '70s has been rethinking his positions on cities, nuclear power, genetic modification and geo-engineering. This talk at the US State Department is a foretaste of his major new book, sure to provoke widespread debate.

Environmentalist, futurist
Since the counterculture '60s, Stewart Brand has been creating our internet-worked world. Now, with biotech accelerating four times faster than digital technology, Stewart Brand has a bold new plan ... Full bio
This talk was presented at an official TED conference, and was featured by our editors on the home page.

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