According to the recent American Institute of Architects study, “Local Leaders in Sustainability,” 14 percent of U.S. cities with populations of more than 50,000 have green building programs, and many more are about to follow suit.

According to the recent American Institute of Architects study, “ Local Leaders in Sustainability,” 14 percent of U.S. cities with populations of more than 50,000 have green building programs, and many more are about to follow suit.

Los Angeles, Boston and Washington have mandated green standards for new commercial buildings "