Seeing a sustainable future - Alex Steffen
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View full lesson: http://ed.ted.com/lessons/alex-steffen-sees-a-sustainable-future<br />
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Worldchanging.com founder Alex Steffen argues that reducing humanity's ecological footprint is especially vital now, as the western consumer lifestyle spreads to developing countries.<br />
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Talk by Alex Steffen.
<br />
Worldchanging.com founder Alex Steffen argues that reducing humanity's ecological footprint is especially vital now, as the western consumer lifestyle spreads to developing countries.<br />
<br />
Talk by Alex Steffen.
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