GreenFILE 

GreenFILE offers well-researched information covering all aspects of human impact to the environment. Its collection of scholarly, government and general-interest titles includes content on the environmental effects of individuals, corporations and local/national governments, and what can be done at each level to minimize these effects.

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Salem Press (Library Card Required)

Dozens of print encyclopedia entries available online through our partnership with Salem Encyclopedias. Salem Science titles include The Encyclopedia of Global Warming, and more.