Provides current information and teaching tools concerning the environmental aspects of earth sciences...

Global database on environmental law, which includes information on treaties, national legislation, court decisions, articles from international journals, and monographs...

Endangered species of plants and animals in a database, searchable by status, country, habitat, year of assessment, marine region, major threat type, taxonomic, common name...

Searchable database of data on more than 50 major river basins in the United States, including information about "water chemistry, hydrology, land use, stream habitat, and aquatic life...

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