00869cam a2200253 a 45000010008000000030004000080050017000120080041000290100017000700200015000870400018001020500015001201000026001352450146001612600056003073000027003635040064003906500039004546500015004936500020005086500026005287000021005547100040005751996064OSt20240715092943.0900330s1990 dcu b 001 0 eng  a 90005939  a8185336695 aDLCcDLCdDLC00aGF75b.Si31 aSilver, Cheryl Simon.10aOne earth, one future :bour changing global environment /cby Cheryl Simon Silver with Ruth S. DeFries for the National Academy of Sciences. aWashington, D.C. :bNational Academy Press,cc1990. axiii, 196 p. ;c23 cm. aIncludes bibliographical references (p. 161-162) and index. 0aNaturexEffect of human beings on. 0aPollution. 0aGlobal warming. 0aEnvironmental policy.1 aDeFries, Ruth S.2 aNational Academy of Sciences (U.S.)