1,000 Friends of Oregon
Works to conserve Oregon’s hinterland, in part by promoting compact and livable cities. The model for “1,000 Friends” groups in other states.

A Pattern Language
The companion site to Christopher Alexander’s seminal book on architectural theory.

A Vision of Europe
Dedicated to classically inspired planning and architecture in Europe.

Allied Arts Society
A SPUR-like organization in Seattle, Washington, that focuses on arts advocacy.

America 2050
Network of organizations (including SPUR) that are working to plan for mega-regions across the United States.

American Institute of Architects (AIA)
Provides resources to Architects nationwide.

American Institute of Architects (AIA) of San Francisco
The official trade association of architects in San Francisco, the AIA provides a number of resources to local architects and planners.

American Planning Association
A primary source of information on planning in America, the APA publishes the Journal of the American Planning Association.

Apollo Alliance
Provides a message of optimism and hope, framed around rejuvenating our nation's economy by creating the next generation of American industrial jobs and treating clean energy as an economic and security mandate to rebuild America.

Architecture 2030's "2030 °Challenge"
As buildings are the major source of demand for energy and materials that produce by-product greenhouse gases, Architecture 2030 challenges the global architecture and building community to keep global warming to approximately a degree centigrade (°C) above today's level.

Association of Bay Area Government (ABAG)
The Bay Area’s council of governments. A great source for demographic information, reports, and analysis about the region.

Bay Area Council
The advocacy group for 275+ of the Bay Area’s largest businesses.

Beyond D.C.
A site that focuses on planning, architecture, and transit around the Washington, D.C. metropolitan area.

Brookings Center on Urban and Metropolitan Policy
A public-policy think tank researching solutions faced by urban and metropolitan areas. Sponsored by The Brookings Institution.

Brownfield Source
A comprehensive site with resources and news on brownfield (land which contains hazardous substances) development and recycling.

Building Better Communities Network
An information clearinghouse with essays on affordable housing, civic engagement and improving quality of life in America.

California Budget Project
A Sacramento group that publishes independent analysis of state budget and policy issues.

California Center for Land Recycling
Promotes the rehabilitation and reuse of contaminated or underused sites within existing urban areas so that they may be used for infill development.

California Center for Regional Leadership
A network of regional organizations working toward environmental justice, smart growth, and a healthy economy.

California Climate Change Center
The mission of this UC Berkeley Center is to advance the state-of-the-science regarding the potential regional impacts of climate change on California and its economy, ecology and society.

California Connected
A weekly newsmagazine program that brings in experts to discuss issues facing California today.

California High Speed Rail Authority
The body charged with planning a network of high-speed-train service in California.

California Historical Society
Preserves, presents, and educates on materials relevant to California’s history.

California Research Bureau
Provides nonpartisan research services to the Governor and his staff, to both houses of the legislature, and to other state elected officials.

Capitol Weekly
The newspaper of California government and politics.

Carfree Cities
A companion site to the book of the same name; proposes alternatives to urban automobiles.

Center for Neighborhood Technology (Chicago)
Promoting sustainable urbanism in the Chicago area, the site has information on car-sharing, appliance emissions, “location efficient” mortgages, green building renovation, and more.

Citizens for Modern Transit (St. Louis)
Working to expand MetroLink, the integrated transit system in St. Louis.

Citizens League
The Citizens League builds civic capacity in Minnesota by identifying, framing and proposing solutions to public policy problems; developing new generations of civic leaders who govern for the common good; and organizing the individual and institutional relationships necessary to achieve these goals.

Citizens' Housing and Planning Association (Massachusetts)
Extensive information on housing policy and affordable housing in Massachusetts.

Citizens' Planning and Housing Association (Baltimore)
A SPUR-like organization in Baltimore, Maryland.

City CarShare
All of the convenience of a car without the hassle or expense of owning one—City CarShare provides vehicles to people in the Bay Area on an hourly basis.

City Club of Portland
A public policy and civic activism organization in Portland.

City Planners Network
Facilitates exchange between urban planners to develop and implement creative solutions to real-world planning problems.

Climate Solutions
This group is working on climate-change issues on a local level, in the Pacific Northwest and British Columbia.

Coalition for a Livable Future
A network of 60 community-based organizations working together to create a more equitable and sustainable Portland metropolitan region.

College of Environmental Design, UC Berkeley
Home to UC Berkeley’s programs of Architecture, City and Regional Planning, and Landscape Architecture and Environmental Planning.

Complete the Streets
States, cities and towns are asking their planners, engineers and designers to build road networks that welcome all citizens, young or old, motorist or bicyclist, walker or wheelchair user, bus rider or shopkeeper.

Congress for the New Urbanism
CNU is one of the original “smart growth” organizations that promotes walkable neighborhoods and open space preservation.

The Cultural Landscape Foundation
TCLF works to educate the public on the importance of America’s cultural landscapes.