15 Years, 15 Stories: Seeds of a Green Revolution

My bike and I are off to Boston for the Greenbuild International Conference and Expo, to see eight hundred exhibitors, dozens of speakers ranging from Archbishop Desmond Tutu to Van Jones and Bill McKibben, with Bill Clinton thrown in. It's huge, and every hotel room in Boston is booked.

Yet 15 years ago it might have been held in a phone booth; the green building movement was tiny and disorganized...