Center of Excellence for Sustainable Development;
A Project of the U. S. Department of Energy
http://www.sustainable.doe.gov

Center on Urban and Metropolitan Policy at Brookings Institution
http://www.brook.edu/urban

Cities Environment Reports on the Internet (CEROI)
http://www.grida.no/city/

Clean Water Action Plan
http://cleanwater.gov/

Council on Environmental Quality
http://www.whitehouse.gov/CEQ/

Joint Center for Sustainable Communities; The U. S. Conference of Mayors and the National Association of Counties
http://www.usmayors.org/USCM/sustainable

The Mega-Cities Project
http://www.megacities.org/

New Ideas in Pollution Regulation (NIPR); The World Bank Group
http://www.worldbank.org/nipr/index.htm

President's Council on Sustainable Development
http://www.whitehouse.gov/PCSD/

Sierra Club
http://www.sierraclub.org/sprawl/

Sustainable Communities Network
http://www.sustainable.org/

Sustainable Urban Environments; U. S. Environmental Protection Agency
http://www.epa.gov/reg5oair/sue/index.html

Urban Land Institute
http://www.uli.org

The Virtual Library on Urban Environmental Management
http://www.soc.titech.ac.jp/uem/

World Resources Institute
World Resources 1996-97: The Urban Environment
http://www.igc.org/wri/wr-96-97/96tocful.html