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Credo Reference: Environmental Science
Credo Reference helps you start your research in environmental science with overviews of the earth both in general and in crisis, histories of environmental philosophy and practice, and biographies of prominent environmentalists.
Free "Open Access" Books
A free, digital lending library of over 2 million eBooks that can be read in a browser or downloaded for reading off-line. And, a unique project to build one web page for every book ever published. Over 20 million books already have a page on OpenLibrary.org