TY - BOOK AU - Chiras,Daniel D. TI - Environmental science: action for a sustainable future SN - 0805310312 AV - GE40 .C48 1990 U1 - 363.7 20 PY - 1991/// CY - Redwood City, Calif. PB - Benjamin/Cummings Pub. Co. KW - Environmental sciences KW - Sustainable development N1 - Includes bibliographical references and index ER -