The AIA has been publishing some interesting analysis of U.S. green building programs, which I wanted to share with all you enthusiasts. In their report, Local Leaders in Sustainability, the AIA looked at 661 communities, or cities with a population greater than 50,000 people, and conducted research of each communities’ green building programs. The AIA spoke with planners and other officials from 606 cities, getting a 92% response rate. They found that 92 of the 606 responding cities had green building programs — or to put that in perspective, over 42 million people live in cities with green building programs. The report also elaborated on program trends and includes case studies of programs in Portland, San Francisco, Scottsdale, Chicago, Austin, and Atlanta.