All things urban, from @theatlantic.

Environmental Defense Fund president, avid rower, alpine and Nordic skier

We work with businesses, governments and communities to create lasting solutions to the most serious environmental problems. We’re EDF.

The best in tech, science, aerospace, DIY and auto news. Customer Service: http://service.popularmechanics.com

#worldpositive investor at Obvious Ventures. Former clean energy tech (and just plain tech) exec and founder.

Energy policy analyst, former lead editor at pv magazine USA. Writing on energy, environment, trade, related topics. Opinions are my own and not my employer's.

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