Botkin, Daniel B. Environmental science : earth as a living planet / Daniel B. Botkin, Edward A. Keller. - 2nd ed. - New York : John Wiley & Sons, 1998. - 1 v. in (various paging) : col. ill., maps ; 28 cm. Includes bibliographical references and index. ISBN: 0471157821 Subjects--Topical Terms: Environmental sciences.Environmental sciences--Case studies.Human ecology.Biological diversity.Suslainable development. LC Class. No.: GE105 / B68 1998