A great place to start research into environmental topics! Organized around topic areas to provide an entry portal to relevant issues and sources. Authoritative analysis, academic journals, news, case studies, legislation, conference proceedings, primary source documents, statistics, and rich multimedia.

GreenFILE is a collection of scholarly, government, and general-interest titles that focuses on the relationship between human beings and the environment. Topics include global warming, green building, pollution, sustainable agriculture, renewable energy.

CQ Researcher is noted for its in-depth, unbiased coverage of health, social trends, criminal justice, international affairs, education, the environment, technology, and the economy.

"This multidisciplinary database provides unparalleled and comprehensive coverage of the environmental sciences. Abstracts and citations are drawn from over 10,000 serials including scientific journals, conference proceedings, reports, monographs, books and government publications."

"U.S. National Library of Medicine's premier bibliographic database that contains approximately 13 million references to journal articles in life sciences with a concentration on biomedicine." Try this for environmental problems resulting from medical and biomedical waste.

Compendex contains bibliographic citations and abstracts from engineering journals and conference proceedings. It also includes Engineering Index Backfile (1884-1969).