Pennsylvania Department of Conservation and Natural Resources

DCNR Basic Functions: Forestry, State Parks, Environmental Education, Facility Design & Construction, Management Services, Community Recreation Assistance, Rivers Conservation, Trails & Greenways, Topographic & Geologic Survey, and the Conservation & Natural Resources Advisory Council.

Pennsylvania Department of Environmental Protection

Search the site or choose areas such as "Individuals and Families," "Education," "Farmers," Business and Industry," and "Local Government."  Includes links to other web sites.

Pennsylvania Natural Diversity Inventory

PNDI is a partnership between the Western Pennsylvania Conservancy, the Pennsylvania Bureau of Forestry and The Nature Conservancy. The Pennsylvania Natural Diversity inventory (PNDI) conducts inventories and collects data to identify and describe the Commonwealth’s rarest and most significant ecological features. These features include plant and animal species of special concern, rare and exemplary natural communities, and outstanding geologic features.

USDA Forest Service

The U.S. Department of Agriculture Forest Service is a Federal agency that manages public lands in national forests and grasslands. The Forest Service is also the largest forestry research organization in the world, and provides technical and financial assistance to State and private forestry agencies.

U.S. Fish & Wildlife Service Home Page

The U.S. Fish and Wildlife Service is the principal Federal agency responsible for conserving, protecting and enhancing fish, wildlife and plants and their habitats for the continuing benefit of the American people. Provides information on endangered species.

USGS - National Biological Information Infrastructure

An electronic gateway to biological data & information maintained by federal, state, & local government agencies; private sector organizations; and other partners around the nation and the world.

United States Environmental Protection Agency

Provides EPA news and events, projects and programs, laws and regulations. Can also search by zipcode.  Links to state, local and tribal sites.

EPA Global Warming Site

A public service by the U.S. Environmental Protection Agency, this site presents information on the broad issues of climate change and global warming.

EnviroLink

EnviroLink is a non-profit organization...a grassroots online community that unites hundreds of organizations and volunteers around the world in more than 150 countries. The EnviroLink Network was created in 1991 by Josh Knauer, while he was a freshman at Carnegie Mellon University. It boasts one of largest and best-arranged listings of environmental organizations on the Web. Excellent search tools. EnviroLink icons feature artwork from indigenous cultures around the world.

GAIA Forest Conservation Archives & P ortal

The mission of Forests.org is to contribute to ending deforestation, preserving old-growth forests, conserving all forests, maintaining climatic systems and commencing the age of ecological restoration. Includes Forest Conservation Search Engine.

Greenpeace USA

Greenpeace is an independent campaigning organization that uses non-violent, creative confrontation to expose global environmental problems, and to force solutions that are essential to a green and peaceful future.

Sierra Club

Promotes the responsible use of the earth's ecosystems and resources.

Sierra Student Coalition

Students working together on environmental issues.

WWF - US: World Wildlife Fund

The largest privately supported international conservation organization in the world, WWF directs its conservation efforts toward protecting endangered spaces, saving endangered species, and addressing global threats.

University of Washington's Department of Environmental Health Library

Selective, annotated and indexed listing of some of the most useful links for environmental health, research and education. Includes government, grants, reference, local links, and others.

Ecology Hall of Fame

A Project of EcoTopia/USA, a California non-profit corporation dedicated to promoting ecological thinking and ecological behavior, the Ecology Hall of Fame is dedicated to the heroes of the environmental movement. Rachel Carson was one of the six charter inductees. Provides a brief biography and related web links for each honoree.

EcoNet

EcoNet  works to support ecological sustainability and environmental justice as part of the nonprofit Institute for Global Communications (IGC). EcoNet is the oldest and largest on-line resource for environmental activists. EcoNet has news, action alerts, special features, links and more.

Environment of the Great Lakes Region

Part of GLIN, the Great Lakes Information Network Web Site. GLIN is partnership that provides one place online for people to find information relating to the bi-national Great Lakes region.  The Environment and Economic subject catalog includes a master list of topics spanning environmental quality, resource management, transportation, demographic, and economic development data.

Environmental Organization Web Directory!

Extensive list of sites ranging from agriculture to weather. Includes business, education, employment, government, news and events, pollution, recycling, Usenet newsgroups, and others. The set of general interest groups includes Earth First, EcoNet, EnviroLink, Greenpeace, National Audubon Society, and Sierra Club.

Three Rivers Free-Net - Environment

Subject guide to environmental web sites.

World-Wide Web Virtual Library: Environment

Biodiversity, Ecology, and the Environment. Detailed table of contents. Searchable. Extensive information on endangered species. Includes legislation and treaties.

Yahoo!: Environment and Nature

Categorized list of sites by subjects.

Research by Subject