Ideas worth spreading

The route to a sustainable future

1,845,874 views | Alex Steffen • TEDGlobal 2005

Worldchanging.com founder Alex Steffen argues that reducing humanity’s ecological footprint is incredibly vital now, as the western consumer lifestyle spreads to developing countries.

Worldchanging.com founder Alex Steffen argues that reducing humanity’s ecological footprint is incredibly vital now, as the western consumer lifestyle spreads to developing countries.

This talk was presented at an official TED conference. TED's editors chose to feature it for you.

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Planetary futurist

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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.

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This talk was presented at an official TED conference. TED's editors chose to feature it for you.