Chiras, Daniel D. Environmental science : action for a sustainable future / Daniel D. Chiras. - 3rd ed. - Redwood City, Calif. : Benjamin/Cummings, c1991. - xxi, 549p. : ill. ; 28 cm. Glossary : p. 517 - 530. Includes index. ISBN: 0805310312 hard bound Subjects--Topical Terms: Environmental policy.Environmental protection.