全球气候变暖影响英文版

1．Oneoftheeffectsofglobalwarmingisthedestructionofmanyimportantecosystems.Changinganderraticclimateconditionswillputourecosystemstothetest,theincreaseincarbondioxidewillincreasetheproblem.Theevidenceisclearthatglobalwarmingandclimatechangeaffectsphysicalandbiologicalsystems.Therewillbeeffectstoland,water,andlife.Alreadytoday,scientistsareseeingtheeffectsofglobalwarmingoncoralreefs,manyhavebeenbleachedandhavedied.Thisisduetowarmeroceanwaters,andtothefactthatsomespeciesofplantsandanimalsaresimplymigratingtobettersuitedgeographicalregionswherewatertemperaturesaremoresuitable.Meltingicesheetsarealsomakingsomeanimalsmigratetobetterregions.Thiseffectstheecosystemsinwhichtheseplantsandanimalslive.Severalclimatemodelshavebeenmadeandtheypredictmorefloods(bigfloods),drought,wildfires,oceanacidification,andtheeventualcollapseofmanyecosystemsthroughouttheworldbothonlandandatsea.Therehavebeenforecastsofthingslikefamine,war,andsocialunrest,inourdaysahead.Thesearethetypesofeffectsglobalwarmingcouldhaveonourplanet.2．Anotherimportanteffectthatglobalwarmingwillbringisthelossandendangermentofmanyspecies.Didyouknowthat30percentofallplantandanimalspeciesaliveintheworldtodayareatriskofextinctionbytheyear2050ifaveragetemperaturesrisemorethan2to11.5degreesFahrenheit.Thesemassextinctionswillbeduetoalossofhabitatthroughdesertification,deforestation,andoceanwarming.Manyplantsandanimalswillalsobeaffectedbytheinabilitytoadapttoourclimatewarming.Somespecieswillsurvivethoughbecausetheywillmigratetootherpartsoftheworldwheretheycansurvive.Agoodexampleofthathappeningistheredfoxthathasalreadydoneit.TheredfoxusedtolivemainlyinNorthAmerica,buthasmigratednowtotheArctic.Peoplelikeyouandmearealsoindanger,peoplelivingincoastalareaswillbebadlyhitifsealevelsrise.Desertificationwillalsobeaproblemforhumans,foodmaybecomescarce.3．Oneverydisappointingeffectofglobalwarmingiswarandconflicts.Withadeclineintheamountsofqualityfood,water,andland,itcouldbringanincreaseinglobalsecuritythreats,andwar.TakethecountrySudanforexample,inthatregionglobalwarminghasplayedanimportantrole.ThereisconflictinSudan,globalwarmingisnottheonlycause,butithasplayeditspart.TherootsoftheprobleminSudancanbetracedbacktoclimatechange,andthescarcityofnaturalresources.TheconflictinSudanstartedduringatimeofintensedrought.Scientistsandmilitaryanalystsarepredictingthatclimatechangeandthedevastationitcausescouldbringwarandconflict.Whensufficientamountsofwaterandfoodarerunningshortthatiswhenwarcancomeabout.Whatthisbringstolightisthefactthatecologicalcrisisandviolencearebothlinked.4．Economiccalamitiesareanothereffectthatglobalwarmingcouldbring.TakehurricaneKatrinaforexample,onethingthatclimatechangedoesisthatitbringsusmoreextremestormslikeKatrina.HurricaneKatrinaresultedinmillionsandmillionsofdollarsindamage.Whenseverestormsandfloodsoccur,crops,homes,businesses,andmoreallfail,andthatcostsalotofmoney,andithurtstheeconomy.Whenseverefloodsoccuryoualsoneedtomakesurethatthethreatofdiseaseiscontrolled.HurricanKatrinaresultedin135$billioninpropertydamage.Thatreallyhurttheeconomythatyear.Whensevereweatherdoesdamageitcanalsoraisethepriceofinsurance,andthishurtstheeverydayperson.Cleaningupadisasterareaalsocostsalotofmoney.Iftoomanyextremestormshitinacertaintimeframetheimpactontheeconomycanbedisastrous.5．Droughtisaneffectofglobalwarmingthatwearealreadyseeingrightnow.Manycountriesarefindingthattheyarecurrentlyreceivingmorestormsandrisingwaters,whileothercountriesaresufferingfromdrought.AstheclimateoftheEarthwarms,expertsfromScientificAmericanpredictthatdroughtconditionscouldincreasebyasmuchas66percent.Droughtwillmeanashrinkingwatersupplyandadecreaseincrops.Droughtcanmeanadangerforglobalfoodproductionandsupply.Thisalsomeanthatseveralcountriesexperiencingdroughtcouldhaveamajorfamineontheirhands.Currently,India,Pakistan,andsomepartsofAfricaarealreadyexperiencingdroughts.Itissadtosaybutexpertsarepredictingthatitwillgetmuchworse.Oneimportanteffectglobalwarmingishavingonourplanet,isthatitisproducingmoreintensestormsandfloods.Whenyoulookatthescientificdataconcerningstormsandfloodsinthelast30years,youwillseethatcategory4and5hurricaneshavenearlydoubledinoccurence.Whatmanypeopledon'tknoworrealizeisthatwarmwatersgivehurricanestheirstrenghtandpower.Manyscientiststodayareassociatingtheincreaseinoceanandatmospherictemperaturestotherateofviolentstorms.Betweentheyears1905and2005thefrequencyofhurricaneshasbeenontherise.From1905to1930therewereanaverageof3.5hurricanesperyear,5.1between1931and1994,and8.4between1995and2005.In2005therewasarecordnumberoftropicalstormsthatcameabout,andin2007theworstfloodingin60yearshitBritain.Morerecently,Australiahasseentheworstfloodingtheyhavehadinalongtime.6．Heatwavesarealsoaneffectofglobalwarming.ItisnosecretthattemperaturesarebreakingrecordsintheUSandCanadaandabroad.MoreextremelyhotsummerdaysareinstoreforNorthAmericaandelsewhereifglobalwarmingcontinuesunabated.Herearesomeheatwavesfactsforyou:airpollutioninurbanareascouldgetworsewiththeincreasedheat.Thiscouldresultinmorepeoplehavingheartattac