EPA's Smart Growth site provides information about urban growth:
It includes resources for smart growth funding and initiatives, as well as smart growth policy examples, publications, and links to Smart Growth Network partner sites.
Contact information for the EPA Smart Growth Program:
Development, Community, and Environment Division (MC 1807T)
U.S. Environmental Protection Agency
1200 Pennsylvania Avenue NW
Washington, DC 20460
Online Contact Form
The National Award for Smart Growth Achievement recognizes communities that use the principles of smart growth to create better places. This annual competition is open to public- and private-sector entities.
Green Power Communities includes tools, resources, and case studies for creating sustainable communities.
Contact information for EPA's Green Power Partnership program
You may also be interested in Sustainability.