00688pamaa2200205 4500 0000018560 20060605090000.0 0582227097 363.7 JAC GE45.S73 JAC 1996 JACKSON Environmental science : the natural environment and human impact Andrew R. W. Jackson and Julie M. Jackson. London: Longman, 1996. xx, 370p.: ill., maps; 25cm. Includes bibliographical references and index Nature -- Effect of human beings on Environmental policy Environmental sciences Environmental protection Jackson, Julie M.