Herber, Lewis
Our synthetic environment / Lewis Herber
Alfred A. Knopf, 1962
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Kaufman, Donald G.
Biosphere 2000 : protecting our global environment
Kendall/Hunt, 1996
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Garte, Seymour
Where we stand: a surprising look at the real state of our planet
American Management Association, 2008
 eBooks
Bodanis, David
The secret family : twenty-for hours inside the mysterious world of our minds and bodies / David Bodanis
Simon & Schuster , 1997
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Southwick, Charles H.
Ecology and the quality of our environment
D. Van Nostrand, 1976
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