Well-chosen list of links to reliable information sources on climate change, including government agencies, research institutes, experts in the field, non-profit organizations, and others...

List of ecology-oriented websites; arranged alphabetically by title only, no subject access...

Useful listings of links to other sites that provide detailed information on endangered species, with an emphasis on the United States, including species habitat, mating habits and dietary patterns...

Geosource is a classified directory web resources for information on cartography, environmental science, policy studies, human geography, physical geography, and planning science...

A gateway site for "high quality Internet resources for students, researchers and practitioners in geography and the environment...

A gateway site to "Web resources that offer preprint searches" from the Iowa State University library...

A "gateway to authoritative selected science information provided by U...

A resource for information about pollution problems and toxic chemicals...

A "community-editable international directory and networking forum that maps, links and empowers the largest movement in the world - the hundreds of thousands of organizations within civil society that address social justice, poverty, and the environment...

Well-done site with numerous links to other websites that deal with soil...