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Alex Steffen:
Alex Steffen vidi održivu budućnost

TEDGlobal 2005 · 17:34 · Filmed Jul 2005
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Osnivač medijske kuće Worldchanging.com, Alex Steffen, tumači kako je smanjenje ekološkog otiska čovječanstva od životne važnosti u trenutku kada se potrošački životni stil sa Zapada širi prema zemljama u razvoju.

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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