00854cam a2200241 4500 289779010 TxAuBib 20170101120000.0 911114|||||||||||||||||||||||||||||eng|u 91042676 9780395578216 alk. paper $22.95 0395578213 alk. paper $22.95 DLC DLC DLC TxAuBib Gore, Albert, 1948- Earth in the balance : ecology and the human spirit / Al Gore. Boston : Houghton Mifflin, :c1992. 407 p. : ill. ; 24 cm. Includes bibliographical references (p. [386]-393) and index. 20170101. Environmental policy. Environmental protection. Human ecology.