Environmental Conservation Organizations (H-N)
Environmental conservation organizations and agencies are listed alphabetically by name. See separate web page for listing of organizations concerned specifically with parks and public lands, water resources, or wildlife protection.
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.