Want to get a sense of the state of green construction? Consider walking the trade show aisles and attending several seminars at GreenBuild 2008 International Conference and Expo, which will be held Nov. 19-21 at the Boston Convention Center in Boston. Sponsored by the U.S. Green Buildings Council (USGBC), Washington, D.C., last year's GreenBuild Conference in Chicago attracted more than 22,000 attendees and 800 booths. For more information on this year's conference, check out www.greenbuildexpo.org or www.usgbc.org.