Basedonnewanalysiswearerapidlyapproachingmajorclimatechangeandtheeffectsonsocietyandtheenvironmentcouldbequitesevere.Geographerspredictthatwithinthenexteightyyearscurrentworldclimatezonescouldshiftandsomecouldcompletelydisappear.Polarregionswillgetcolderwhiletropicalregionswillgetevenhotterforcinganimalstomigrate (迁徙)north.
Climatechangeslikethesecouldleadtothespreadofdiseases.Tropicalstormsandhurricaneswillnotonlyincreasebutmayalsobecomemoreintense.Ifthechangescometooquicklyanimalandplantspeciesmaynotbeabletoadaptfastenoughandcoulddisappear.
AccordingtoScienceDailyanewstudypredictsthatbytheyear2100manyoftoday’sfamiliarclimateswillbereplacedbyclimatesunknownintoday’sworld.Itisurgentthatwereducetherisksofthesefar-reachingconsequencesforthewholeworld.Theplanetitselfhasbeenshowingsignsofchange.In2004aserioustsunamicreatedbyamajorearthquakekilledthousandsinSumatraandin2008thousandsdiedinChinabecauseofanothersevereearthquake.Egyptwashitin2009withamajorearthquakeandHaitiwasdevastatedin2010byyetanothermassiveearthquake.
Withinjustthelastfewmonthsnewreportsfromaroundtheworldhavebeencominginandmostagreethatourclimatesituationismuchworsethanpreviouslythought.Atthispointitdoesn’tmatterwhatiscausingitbutratherwhatcanbedoneaboutit.What’smoreourworldisgettingmoreandmoreunstableeveryyear.Thereiswarandthreatofwareverywhere.Naturaldisastersarebecomingmorefrequentandserious.
Howeverotherplanetsareexperiencingglobalwarmingaswellasourownandsomescientistsbelievetheremaybesomeconnectionbetweenthis.Nooneknowsanythingforsureatthispointbecausethereissimplynotenoughdata.
【小题1】WhichofthefollowingwouldbethebesttitleforthePassage?