全球变暖英文演讲幻灯片.ppt

全球变暖英文演讲幻灯片.ppt

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Background:

TheGreenhouseEffect,ConsequencesofGlobalwarming,Newreportpredictsthatby2100,globalaveragetemperatureofthemostlikelytoriseisbetween1.8to4centigrade,thesealevelriseis18to59centimeters.Reportedthatglobalwarmingwilllasthundredsofyears,sealevelswillkeeprising.Nowtheurgentsituationsneedgovernmentstofurtherreduceandlimitgreenhousegasemissions,todelaytheglobalwarmingtrend.,Drought,TropicalCycloneIntensity,Sealevelrising,TransportationsEmissions,Treeswerecutdown,U.S.GreenhouseGasEmissions,Solution:

GreenEnergy,whatisgreen?