Wen Stephenson, an independent journalist and climate activist, is at work on a book about climate justice to be published by Beacon Press in 2015. He helped launch the grassroots network 350 Massachusetts and serves on the board of Better Future Project, a nonprofit in Cambridge, Mass., dedicated to building the climate movement. A former editor at The Atlantic, where he co-created and edited TheAtlantic.com, and at The Boston Globe, where he edited the Sunday "Ideas" section, he was most recently the senior producer of NPR's On Point. He has written about climate, culture and politics for The Boston Phoenix, Grist, Slate, The New York Times, and the Globe. On Twitter: @wenstephenson.