- Linkages - A Multimedia Resource for Environment & Development Policy Makers (International Institute for Sustainable Development)
- Envirolink Library
- The World-Wide Web Virtual Library: Environment
- Directory of Environmental Resources on the Internet
- Environmental Information Sources on the Internet
- Environmental Information Sources
- The Environment on NRDC Online (National Resources Defense Council)
- United Nations Environment Programme
- Environment Home Page from the Mining Company
- World Conservation Monitoring Centre
- World Resources Institute
- Earthwatch Online Resources
- The Environmental Education Network
- Consortium for International Earth Science Information Network (a world data center)
- Hawaii Sea Grant Global Change Education Home Page
- Consequences (articles on the global environment)
- Global Change Documents and Publications (U.S. Global Change Research Information Office)
- Public Utilities Commission of Ohio Global Climate Change Site
- Environmental Organization WebDirectory
- Greenpeace International
- Rainforest ActionNetwork
- The Latin American Alliance
- Electronic Green Journal
- Science and the Environment(e-zine)
