Alex Steffen:

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。

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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