Department of Energy (DOE) - Center of Excellence for Sustainable Development
http://www.sustainable.doe.gov/

Environmental Protection Agency
http://www.epa.gov/

Housing and Urban Development (HUD) – Office of Policy Development and Research
http://www.huduser.org/

Livable Communities - Related Links
http://www.livablecommunities.gov/fedlinks.htm

USAID Environmental Health Project (EHP)
http://www.ehproject.org/

 International Donor Community

Cities Alliance
http://www.citiesalliance.org

Management and Governance Network
http://magnet.undp.org/

UNCHS Best Practices Database
http://www.bestpractices.org/cgi-bin/bp98.cgi

UNCHS-Human Settlements In Asia
http://www.hsd.ait.ac.th/Web1.html

UNCHS-Statistical Data and Information in the Asia Pacific Region
http://www.hsd.ait.ac.th/ihsa/si/si.html

UNDP Management and Governance Network
http://magnet.undp.org

UNU/IAS Programme-Megacities and Urban Development
http://www.ias.unu.edu/research_prog/megacities/ias_megacity.htm

United Nations Centre for Human Settlements (Habitat)
http://www.unchs.org

World Bank Urban Development Home Page
http://www.worldbank.org/html/fpd/urban/

 Private Entities

Abt Associates Inc.
http://www.abtassoc.com

Brookings Institution
http://www.brook.edu/es/urban/urban.htm

GIS Development.Net - India
http://www.gisdevelopment.net/index.htm

Planning and Development Collaborative International (PADCO)
http://www.padcoinc.com

The Communities Group
http://www.thecommunitiesgroup.com

Urban Timeline
http://www.urbantimeline.org

 NGOs

Asian Disaster Preparedness Center
http://www.adpc.ait.ac.th

Habitat for Humanity
http://www.habitat.org

Institute for Sustainable Communities
http://www.iscvt.org

Institute of Management (IIMACORE), SRISTI
http://www.sristi.org/dmis.html

International City/County Management Association
http://www.icma.org/

International Food Policy Research Institute
http://www.ifpri.org/

International Institute for Environment and Development
http://www.iied.org/human/index.html

Megacities 2000 Foundation
http://www.megacities.nl/megacities/main.htm

Plan International
http://www.plan-international.org

Research Triangle Institute
http://www.rti.org/

The Institute of Public Administration
http://www.theipa.org

The Woodrow Wilson Center
http://www.wilsoncenter.org

Urban Institute
http://www.urban.org/

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

 Professional Associations, Networks and Conferences

CitiStates Group
http://www.citistates.com

Civic Practices Network
http://www.cpn.org/

International Making Cities Liveable
http://www.livablecities.org

International Union for Housing Finance
http://www.housingfinance.org

National League of Cities
http://www.nlc.org/

Sister Cities Internation Public Information
http://www.sister-cities.org/sci/cityseek/list

Smart Growth
http://www.smartgrowth.org/

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

The International Council for Local Environmental Initiative (ICLEI)
http://www.iclei.org/

 Regional

Asia Pacific Cities Forum
http://www.apcf.org/

Official City Sites
http://www.officialcitysites.org

UNCHS – Human Settlements in Asia
http://www.hsd.ait.ac.th/Web1.html

UNCHS – Statistical Data and Information in the Asia Pacific Region
http://www.hsd.ait.ac.th/ihsa/si/si.html