Worldchanging 2.0

Video interview with Alex Steffen, Planetary Futurist. A guest of the "Visions of a Sustainable World" Speaker Series at Yale, 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. Alex Steffen is a leading voice on social innovation for a sustainable future. He is the editor of Worldchanging 2.0, a user's guide urban sustainability and innovation. Watch the video here.