Cunningham, William P. <br/><br/>Principles of environmental science :  inquiry and applications / William P. Cunningham and Mary Ann Cunningham.  -- 3rd ed.  -- New York:  The McGraw-Hill Companies Inc.,  2006. <br/>xviii, 428 p.:  ill.;  26 cm. <br/><br/> Includes bibliographical references, appendices, and index. <br/><br/><label>ISBN: </label>9780071250023 <br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences -- Textbooks. <br/>Energy. <br/>Hazardous Waste.<br/><br/><label>Dewey Class. No.: </label>Res 363.7 C917 2006