TY - BOOK AU - Rothkrug,Paul AU - Olson,Robert L. TI - Mending the earth : : a world for our grandchildren / SN - 1556430914 U1 - 363.7 20 PY - 1991/// CY - Berkeley, Calif. : , San Francisco, Calif . : PB - North Atlantic Books ; , Environmental Rescue Fund, KW - Environmental protection KW - Human ecology N1 - Includes bibliographical references and index ER -