American Land Conservancy
Non-profit organization working in partnership with communities, private landowners, local land trusts, public land agencies, and elected officials to create effective conservation solutions for threatened land and water resources.
American Public Information for the Environment
Provides information about environmental quality, protection of natural resources and promotion of environmental health for all elements of the biotic community.
Center for Environmental Information Provides information, publications, and educational programs to advance public understanding of environmental issues.
Center for Environmental Study Goal is to create environmental awareness and involvement through research initiatives and education.
Center for Plant Conservation Dedicated to conserving rare plants native to the US through a collaborative national program of offsite plant conservation, research, and education.
Colorado Environmental Coalition Grassroots citizen’s group concerned with protecting Colorado’s lands.
Conservation International Concerned with protecting the Earth's biologically richest areas and helping people who live there improve their quality of life.
Earth Island Institute Provides organizational support in developing projects for the conservation, preservation, and restoration of the global environment.
Earth Share A national environmental federation, representing agencies with bona fide environmental and conservation programs.
EarthTrust International organization dedicated to the preservation of wildlife and the natural environment.
EarthWatch Supports field research to build a sustainable world through an active partnership between scientist and citizen.
Ecological Society of America A nonprofit organization of scientists that promotes ecological research and the responsible application of ecological knowledge to public issues. Founded in 1915.
Ecotrust Concerned with developing new strategies for conservation in the coastal temperate rain forests of North America.
Envirolink NetworkEnvironmental information clearinghouse providing website hosting, automated mailing lists, interactive bulletin boards and chat rooms, as well as other services.
Environmental Council of the StatesConcerned with providing for the exchange of ideas and articulating state positions to Congress and the EPA on environmental issues.
Environmental Defense Fund Brings together science, economics, and law to create solutions to environmental problems.
Environmental Education Network Collaborative effort among educators, EnviroLink Network, and environmentalists to bring environmental education on-line and into a multimedia format.
Environmental Law Institute An independent research and education center, concerned with shaping the fields of environmental law, policy, and management, domestically and abroad.
Friends of the Earth Concerned with conservation and public health protection, focusing on the underlying social and economic causes of environmental problems.
Forest Action Network Works to stop the destruction of forests and forest ecosystems.
Forest Frontiers Initiative A five-year program by World Resources Institute to promote stewardship in and around world's last major frontier forests.
Forests Forever Concerned with the protection and enhancement of forests and wildlife habitat of California through educational, legislative and electoral activities.
Greenpeace International Dedicated to preserving the earth and the environment through direct, non-violent action.
Izaak Walton League of America One of the oldest conservation organizations in the US, dedicated to protecting the nation's soil, air, woods, waters and wildlife.
Land Trust Alliance Supports community conservation through the nation's land trusts.
League of Conservation Voters A bipartisan national environmental organization dedicated to educating citizens about the environmental voting records of members of Congress.
Leave No Trace Program that promotes wilderness ethics and minimum-impact skills in outdoor recreation through education, research, and partnerships.
Montana Wilderness Association Concerned with protection and preservation of Montana's remaining wild lands and naturally functioning ecosystems. Established in 1958.
National Arbor Day Foundation Interested in helping promote tree care and conservation and educating people on tree issues.
National Association of Conservation Districts Promotes resource conservation of nearly 3,000 local conservation districts it represents by working in partnership with state and federal agencies and private organizations.
National Audubon Society Fights for the protection of wildlife and its habitat, forests, and endangered species.
National Register of Historic Places Maintains a national register of districts, sites, buildings, and structures significant in American history, architecture, archeology, and culture.
National Speleological Society Interested in advancing the study, conservation, exploration, and knowledge of caves.
Natural Areas Association Works to inform, unite, and support persons engaged in identifying, protecting, managing, and studying natural areas and biological diversity.
Natural Resources Defense Council Concerned with the environment, public health, and nature conservation.
The Nature Conservancy Protects land where endangered species and threatened ecosystems exist.
Rainforest Action Network Works to protect the Earth's rainforests and support the rights of their inhabitants through education, grassroots organizing, and non-violent direct action.
Rainforest Alliance Dedicated to the conservation of tropical forests through education, research, and the establishment of cooperative partnerships.
Renew America Coordinate a network of community and environmental groups, businesses, government leaders and civic activists to exchange ideas on environmental improvement.
Rocky Mountain Institute Research and educational foundation concerned with fostering the efficient and sustainable use of resources as a path to global security.
Rocky Mountain Nature Association Assists national and state park and land conservation agencies with educational and research programs.
Save the Redwoods League Preserves the redwood forests of California by purchasing forest land and placing it in permanent protection, and through public education programs.
Seacology Foundation Comprised of scientists who donate their time to assist indigenous peoples in the conservation of their island ecosystems and island cultures.
Sierra Club Dedicated to exploring and protecting the earth's wildlands and promoting the responsible use of the earth's resources.
Soil and Water Conservation Society Promotes soil, water, and related natural resource management through scientific and educational programs.
Student Conservation Association Sponsors programs to promote environmental education, land stewardship, and wildlife conservation in national parks, forests, and wildlife refuges, and other lands.
The Trustees of Reservations Concerned with preservation, for public use and enjoyment, landscapes of exceptional scenic, historic, and ecological value in Massachusetts. Established in 1891.
Wilderness Society Concerned with preserving wilderness and wildlife, and protecting America's prime forests, parks, rivers, deserts and shorelands.
World Resources Institute A center for policy research and technical assistance on global environmental and development issues.
World Wildlife Fund Known worldwide by its panda logo, World Wildlife Fund (WWF) leads international
efforts to protect endangered species and their habitats.
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