Provides access to thousands of educational, teaching and learning resources in geography and environmental science.

Discussions about the environment and efficient living ideas. Links to sites of environmental interest.

Data and documents on environmental topics such as toxic chemical releases, toxic waste handlers, superfund sites, and regulations. U.S. focus.

Articles and internet links on a wide range of environmental topics. Includes interest groups, magazines, policy, and environmental jobs.

EcoBizPort.com is a comprehensive environmental information business portal linking businesses, professionals and individuals to an array of environmental information on the Internet.

A directory of informational and commercial web sites related to environment and environment protection.

A huge list of links to resources and tools on environment and sustainability. Also features online forums.

Extensive collection of links to Environmental Resources on the web, with emphasis on issues-oriented organizations and suppliers of products and information for sustainable living. Note: Site uses frames and has extensive graphics.

Features environmental links, information, and activism on the world wide web.

Access to integrated social and natural science data by the Center for International Earth Science Information Network at Columbia University.