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Alex Steffen:
亞歷克.斯特芬看到一個可持續的未來。

TEDGlobal 2005 · 17:34 · Filmed Jul 2005
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Worldchanging.com 創始人亞歷克.斯特芬認為,當西方的消費生活方式傳至發展中國家,減少人類的生態足跡現在是難以置信的重要。

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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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