Cunningham, William P Environmental science : a global concern / William P. Cunningham, Mary Ann Cunningham - Twelfth ed - New York : McGraw-Hill Companies, Inc., c2012 - xxiii, 613 p. : ill. (some col.), col. maps ; 30 cm Includes index ISBN: 9780073383255 (hard copy : alk. paper) 0073383252 (hard copy : alk. paper) 9780071314954 0071314954 LCCN: 2011015578 Subjects--Topical Terms: Environmental sciences--Textbooks LC Class. No.: GE105 / .C86 2012 Dewey Class. No.: 628