Alex Steffen:
Alex Steffen vede un viitor durabil

TEDGlobal 2005 · 17:34 · Filmed Jul 2005
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Alex Steffen, fondatorul site-ului Worldchanging.com, argumentează că reducerea amprentei ecologice a umanităţii este incredibil de vitală acum, când stilul de viaţă occidental se răspândeşte în ţările în curs de dezvoltare.

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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