Article database that covers applicable areas of agriculture, ecosystem ecology, energy, natural resources, marine & freshwater science, geography, pollution & waste management, environmental technology, environmental law, public policy, social impacts, urban planning, and more...

Database that covers journals, books, books, conference proceedings, and reports for geography, geology, and ecology...

"Contains over 8,500 entries on all aspects of environmental science and conservation...

Full text access to some of the essential reference works in the Environmental Sciences, published by the Oxford University Press...

"A comprehensive online database, maintained by the World Resources Institute, that focuses on the environmental, social, and economic trends that shape our world...

An interdisciplinary, online, wiki-based encyclopedia "about the Earth, its natural environments, and their interaction with society...

"Provides in-depth, worldwide coverage of environmental issues...

Searchable full-text journals covering various years from the 1990s to the present...

A collection of more than "20,000 descriptions of Earth science data sets and services covering all aspects of Earth and environmental sciences...

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...

Site from the US Department of Agriculture (USDA) that aims to "deliver scientifically based soil information...

Years of time-series data that describe stream levels, streamflow (discharge), reservoir and lake levels, surface-water quality, and rainfall...

A collection of 4 different databases dealing with water resource issues...

"This set covers all important water science concepts and current issues and highlights major historical developments and key figures...

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