All things urban, from @theatlantic.

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

Mayor. Fighting for a better and fairer New York City, no matter how much money you make or where you live.

President & Founder, The Dream Corps and CNN Political Commentator

Harvard Center for Green Buildings and Cities

Working @c40cities. Tweets are my own.

Sustainability Coordinator for the City of Portland (ME). Bike commuter. Amateur urbanist. Coffee fanatic. Tweets are mine.

Organisme à but non lucratif. Pour des choix écologiques, équitables et solidaires.