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Uploaded on Jun 18, 2009
Imagine a prosperous zero-carbon, zero-waste, non-toxic, pleasantly urban yet leafy green community. Thats where youll be living in 20 years, if we do our work right. A guest of the Visions of a Sustainable World Speaker Series at Yale, Alex Steffen shows how the tools to transform our cities and suburbs into sustainable communities are already emerging, and why that transformation will leave us better off. Steffen is Co-Founder and Executive Editor of Worldchanging and Editor of Worldchanging: A Users Guide for the 21st Century.