Alex Steffen:
Alex Steffen sürdürülebilir bir gelecek öngörüyor

TEDGlobal 2005 · 17:34 · Filmed Jul 2005
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Worldchanging.com kurucusu Alex Steffen, Batının tüketici hayat tarzı gelişmekte olan ülkelere yayıldığı günümüzde, insanlığın ekolojik ayakizinin azaltılmasının inanılmaz derecede hayati olduğunu öne sürüyor.

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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