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November 25, 2009—In the wake of an extended global economic slump, local communities are still pushing ahead and expanding their green building programs, finds a new report from the American Institute of Architects (AIA). More than one in five U.S. cities with populations greater than 50,000 surveyed by the AIA report having a policy to promote green buildings, accounting for more than 53 million people.

The AIA initially conducted this survey in 2007 for a Local Leaders in Sustainability report that has just been updated. The new report, Green Building Policy in a Changing Economic Environment, is an inventory of policies and best practices intended to help policymakers advance a more sustainable legislative agenda for growth and development.

The report also contains detailed case studies of the green building programs in Los Angeles, Philadelphia, Boston, Nashville, and Grand Rapids, Michigan.

Highlights from the report include:

• 138 cities have green building programs, compared with 92 cities in 2007—an increase of 50 percent;
• 24 of the 25 most populated metropolitan regions in the U.S are built around cities with a green building policy;
• The Western region has the most green building programs with 56 cities in just six states;
• The Mountain region is second in the percentage of cities with green building programs, with 24 percent of residents living in those cities;
• The Eastern region has seen a 75 percent rise in green building programs since 2007; and
• The central region has 21 cities with green building programs.