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UnlockingtheClimatePuzzle解开气候之谜1Lifehasprosperedonthisplanetfornearlyfourbillionyears.Inthattimeclimatehadfluctuateddrasticallyfromiceageslastingtensofthousandsofyearstoepochsofsteamyheat.Witheachchangesundryspecieshavebenefitedandflourished.Othersadaptedfalteredordied.Nowmanyexpertsbelievehumansareimperilingtheirownecologicalnichewiththethreatofglobalwarming.Thevaporousby-productsofcivilizationintheformofgreenhousegasessuchascarbondioxideC0₂havetrappedenoughheatintheatmospheretoraiseEarthsaveragesurfaceairtemperatureahalfdegreeCelsiusonedegreeFahrenheitduringthiscentury.Ifthetrendcontinuesitcouldalterclimatepatternsworldwide-thawingglaciersboostingsealevelscorchingplainsintodesertsandshiftingvegetationzones.
(1)生命在这个星球上已经发展了近四十亿年在这段时间里,气候有大幅波动,从冰河时代到蒸汽时代延续了几千年每一次改变,各种物种受益和繁荣其他适应,步履蹒跚,或死亡现在,许多专家认为,人类正在通过全球变暖危及自己的生态位在本世纪,文明的气态副产物,以二氧化碳(C0₂)等温室气体的...。