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Alex Steffen:
알렉스 스테판, 지속 가능한 미래를 논하다.

TEDGlobal 2005 · 17:34 · Filmed Jul 2005
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Worldchanging.com의 설립자 알렉스 스테판이, 개발도상국에서 서구의 소비자 생활 방식이 보편화됨에 따라, 지금 시대에 인류의 '생태 발자국'을 줄이는 것이 몹시 중요하다는 것에 대해 이야기합니다.

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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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