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Alex Steffen:
Alex Steffen melihat masa depan yang berkesinambungan

TEDGlobal 2005 · 17:34 · Filmed Jul 2005
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Pendiri Worldchanging.com, Alex Steffen berpendapat bahwa pengurangan jejak ekologis dari manusia merupakan hal yang sangat vital saat ini, seperti gaya hidup konsumtif yang menyebar ke negara-negara berkembang.

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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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