The official blog of the U.S. Green Building Council, committed to a prosperous and sustainable future for our nation through cost-efficient and energy-saving green buildings.

Welcome to the sustainability blogosphere. In this new feature, GreenSource will select the most interesting musings from some of the world's top green building and design blogs. You can read these posts–offering provocative opinions, compelling analysis, breaking news, and occasionally humorous assessments–without leaving our site. And if you're a regular reader of a blog you don't see here, tell us.