2015年职称英语理工类阅读理解toolittleforglobalwarming

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1、TooLittleforGlobalWarmingOilandgaswillrunouttoofastfordoomsdayglobalwarmingscenariostomaterialize,accordingtoacontroversialnewanalysispresentedthisweekattheUniversityofUppsalainSweden.Theauthorswarnthatallthefuelwillbeburntbeforethereisenoughcarbondioxideint

2、heatmospheretorealizepredictionsofmeltingicecapsandsearingtemperatures.Defendingtheirpredictions,scientistsfromtheIntergovernmentalPanelonClimateChangesaytheyconsideredarangeofestimatesofoilandgasreserves，andpointoutthatcoal-burningcouldeasilymakeuptheshortf

3、all.Butallagreethatburningcoalwouldbeevenworsefortheplanet.TheIPCC’spredictionsofglobalmeltdownpushedforwardthe1997KyotoProtocol,anagreementobligingsignatorynationstocutCO2emissions.TheIPCCconsideredarangeoffuturescenarios,fromunlimitedburningoffossil-fuelst

4、oafasttransitiontowardsgreenerenergysources.ButgeologistsAndersSivertsson,KjellAleklettandColinCampbellofUppsalaUniversitysaythereisnotenoughoilandgaslefteventhemostconservativeofthe40IPCCscenariostocometopass.Althoughestimatesofoilandgasreservesvarywidely,t

5、heresearchersarepartofagrowinggroupofexpertswhobelievethatoilsupplieswillpeakassoonas2010,andgassoonafter.Theiranalysissuggeststhatoilandgasreservescombinedabouttotheequivalentofabout3.500billionbarrelsofoilconsiderablylessthanthe5.000billionbarrelsestimated

6、inthemostoptimisticmodelenvisagedbytheIPCC.Eventheaverageforecastofabout8.000billionbarrelsismorethantwicetheSwedishestimateoftheworld'sremainingreserves.NebojsaNakicenovic，anenergyeconomistattheUniversityofVienna,Austriawhoheadedthe80-strongIPCCteamthatprod

7、ucedtheforecasts,saysthepanel’sworkstillstands.Hesaystheyfactoredinamuchbroaderandinternationallyacceptedrangeofoilandgasestimatesthanthe”conservative”Swedes.Evenifoilandgasrunout/there’sahugeamountofcoalundergroundthatcouldbeexploited'hesaysthatburningcoalc

8、ouldmaketheIPCCscenarioscometrue,butpointsoutthatsuchaswitchwouldbedisastrous.CoalisdirtierthanoilandgasandproducesmoreCO2foreachunitofenergy,aswellasreleasinglargeamountsofparticulates.Hesaysth