American Rivers works to impact the health of rivers and communities nationwide.
Advocates for small communities and the benefits of face-to-face relationships in a particular place
The Donella Meadows Institute
Founded in 1996 by environmental leader Donella Meadows, "the Institute has been at the forefront of sustainability thinking and training." Initiatives have addressed economic, environmental, and social challenges.
Earth Island Institute
Promotes citizen action for conservation, preservation, restoration. Includes full-text of the Earth Island Journal.
Land Trust Alliance
Promotes organizations in local communities to save natural areas
National Council for Science and the Environment (NCSE)
Improving the scientific basis for environmental decisionmaking.
Rocky Mountain Institute
Fosters environmentally-friendly practices in government & industry
Smart Growth Online
Supporting the development of vibrant communities
Sustainable Sites Initiative (SITES)
A rating system to assess the sustainable design, construction, and maintenance of landscapes. Originally developed by the American Society of Landscape Architects, now administered through the Green Building Council
Wildlife Habitat Council
Works to increase the amount of quality wildlife habitat on corporate, private and public lands