Armstrong, Susan J and Richard G. Botzler
                 1997  Environmental Ethics: Divergence and Convergence (New York, McGraw Hill, Inc., 1997)

         Crosby, Alfred
                1993  Ecological Imperialism : The Biological Expansion of Europe, 900-1900 (Studies in
                   Environment and History) (Cambridge, Cambridge University Press, 1993).

         Klyza, Christopher McGrory
             1996  Who Controls Public Lands (Chapel Hill, N.C., University of North Carolina Press, 1996).

         Weiskel, Timothy & Richard Grey
            1992   Environmental Decline and Public Policy: Pattern, Trend and Prospect (Michigan, Pierian Press, 1992

          Garrett, Laurie
            2000   Betrayal of Trust: The Collapse of Global Public Health. (New York, Hyperion,
                               2000)

            Lester R. Brown, et. al
                       2002    State of the World 2002 (New York, W.W. Norton, 2002).

           Berry, Thomas
                1990  Dream of Earth (Berkeley, California, U. of California Press, 1990)

            Brown, Donald A.
                2002   American Heat: Ethical Problems With the United States' Response to Global Warmingt (N.J., Rowman
                                & Littlefield, 2002)

            National Geographic Magazine, (September, 2002).[ie. current issue w/ Included map]
                        especially its "State of the Planet" and "Water Pressure" articles