全球气候变暖影响英文版.docx
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全球气候变暖影响英文版.docx
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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.
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