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Alex Steffen enxerga um futuro sustentável

TEDGlobal 2005 · 17:34 · Filmed Jul 2005
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O fundador do Worldchanging.com, Alex Steffen, argumenta que reduzir a pegada ecológica que a humanidade deixa é extremamente vital agora, à medida em que o estilo de vida consumista ocidental se expande para os países em 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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