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Alex Steffen vê um futuro sustentável

TEDGlobal 2005 · 17:34 · Filmed Jul 2005
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Alex Steffen, fundador do Worldchanging.com argumenta que reduzir agora a pegada ecológica da humanidade é incrivelmente vital, à medida que o estilo de vida consumista do ocidente se espalha aos países em vias de desenvolvimento.

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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

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