Worldchanging, Revised Edition: A User's Guide for the 21st Century
Alex Steffenis the co-founder of WorldChanging.com, one of the world's leading sustainability-related publications. Steffen makes regular speaking appearances at multinational corporations like Nike, Yahoo!, and Amazon. He is a leading voice in planetary futurism and has inspired over 600 stories in the media, including a CNN documentary. Bill McKibben is an environmentalist and the author ofThe End of NatureandEarth: Making a Life on a Tough New Planet.Timemagazine has called him "the world's best green journalist."