Seeing a sustainable future - Alex Steffen
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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.
Steffen believes that a significant amount of our energy use is predestined. How so? What percent of your own energy use is predestined, in your opinion, and what percent results from your daily choices and habits?
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- Speaker Alex Steffen
