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Alex Steffen:
Alex Steffen ser en hållbar framtid

TEDGlobal 2005 · 17:34 · Filmed Jul 2005
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Worldchanging.com:s grundare Alex Steffen hävdar att reduktionen av mänsklighetens ekologiska fotavtryck är oerhört viktig när den västerländska konsumtionslivsstilen nu sprids till utvecklingsländerna.

Planetary futurist
Alex Steffen explores our planet's future, telling powerful, inspiring stories about the hard choices facing humanity ... and our opportunity to create a much better tomorrow. 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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