Online registration for the 2010 Greenbuild International Conference and Expo, being held Nov. 17-19 in Chicago, is now open. Early bird discounts are available until Sept. 7.

Greenbuild will include more than 100 educational sessions featuring world-renown speakers, Leadership in Energy and Environmental Design workshops, off-site educational sessions, and green-building tours of local sites. Past speakers include Archbishop Desmond Tutu, President Bill Clinton, Paul Hawken, and David Suzuki. Information on the events and speakers for Greenbuild will be available in the summer. For updates, visit