TY - BOOK AU - Silver,Cheryl Simon AU - DeFries,Ruth S. ED - National Academy of Sciences (U.S.) TI - One earth, one future: our changing global environment SN - 0309041414 AV - GF75 .S55 1990 U1 - 363.7 20 PY - 1990/// CY - Washington, D.C. PB - National Academy Press KW - Environmental policy KW - Global warming KW - Nature KW - Effect of human beings on KW - Pollution N1 - Includes bibliographical references (p. 161-162) and index ER -