The Cities Alliance -- a global coalition of cities and their development partners committed to scaling up successful approaches to poverty reduction, brings cities together in a direct dialogue with bilateral and multilateral agencies and financial institutions, and help cities develop sustainable financing strategies, and attract long-term capital investments for infrastructure and other services.
Cyburbia -- a portal and social networking site for urban planners and others interested in cities and the built environment that includes a message board, an image hosting gallery, syndicated feeds of hundreds of planning-related weblogs, and a selective directory of web sources relevant to planning and urbanism.
EveryBlock--filters an assortment of local news by selected location so you can keep track of what is happening in a specific neighborhood and throughout the city.
MPO Directory Listing -- a directory sponsored by the Association of Metropolitan Planning Organizations of links to all of the approximately 700 Metropolitan Planning Organizations in the United States. An excellent resource for linking to regional and local information.
SprawlWatch Clearinghouse -- identifys, collects, compiles, and disseminates information on the best land use practices for citizens, grassroots organizations, environmentalists, public officials, planners, architects, the media and business leaders.
Urban Future.org -- an organization that strives to change the climate and terms of the debate over urban policy by developing and promoting voluntary, private-sector, and market-oriented solutions to urban problems. The program's principal activities focus on urban economic development policy and land-use planning at the local, regional, state, and national levels.
The Urban Institute -- the Institute gathers and analyzes data, conducts policy research, evaluates programs and services, and educates Americans on critical issues related to the built environment.