Wright, Richard T., 1933- Environmental science : toward a sustainable future / Richard T. Wright, Dorothy O. Boorse. - 11th ed. - Boston : Benjamin Cummings, c2011. - xxii, 674 p. : ill. (chiefly col.), maps (chiefly col.) ; 28 cm. + 1 CD-ROMs (4 3/4 in.) Includes bibliographical references and index ISBN: 9780321598707 Subjects--Topical Terms: Environmental sciences--Textbooks.