Theodore, Mary K. Major environmental issues facing the 21st century / Mary K. Theodore, Louis Theodore - Upper Saddle River, N.J. : Prentice Hall PTR, c1996 - 502 p. : ill. Includes index ISBN: 0131835262 Subjects--Topical Terms: ENVIRONMENTAL RESPONSIBILITYENVIRONMENTAL PROTECTIONENVIRONMENTAL SCIENCES LC Class. No.: GE195.7 / T430M