GreenFILE - The database focuses on the relationship between human beings and the environment, with well-researched information on topics ranging from global warming to recycling to alternate fuel sources and beyond.

GeoBase - Geology, geography, ecology - over 2,200 international journals and magazines.

JSTOR - Offers interdisciplinary content including approximately 2,300 academic journals across the humanities, social sciences, and sciences, as well as select monographs and other materials.

Academic Search Complete - Provides over 13,780 indexed and abstracted journals including 9,000 full-text journals and 7,850 peer-reviewed journals.

ScienceDirect - Chemistry, biology, mathematics, engineering and technology, physics, medicine and more - over 1,100 journals.

Wiley Digital Archive: Environmental Science and History -A primary source database focusing on the history of human activity on the natural world.