Population Stabilization

Sierra Club

http://www.sierraclub.com/population

Zero Population Growth

http://www.zpg.org

Smart Growth Network

http://www.smartgrowth.org

Planning Commissioners Journal

http://www.plannersweb.com/sprawl/home.html

Sprawl Watch Clearinghouse

http://www.sprawlwatch.org

Surface Transportation Policy Project

http://www.transact.org

National Neighborhood Coalition

http://www.neighborhoodcoalition.org

Urban Sprawl

Sierra Club

http://www.sierraclub.org/sprawl

Urban Sprawl and Smart Growth

The Natural Resources Defense Council

http://www.nrdc.org/cities/smartGrowth/default.asp

Center for a New American Dream

http://www.newdream.org

Adbusters

The Media Foundation

http://www.adbusters.org

Redefining Progress

http://www.rprogress.org