碳足迹：当前存在的方式[文献翻译]

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1、Carbonfootprint:currentmethodsofestimationPandeyD,AgrawalM,PandeyJSAbstractIncreasinggreenhousegaseousconcen-trationintheatmosphereisperturbingtheenvironmenttocausegrievousglobalwarmingandassociatedconsequences.Followingtherulethatonlymeasurableismanageab

2、le,mensurationofgreenhousegasintensivenessofdifferentproducts,bodies,andprocessesisgoingonworldwide,expressedastheircarbonfootprints.Themethod-ologiesforcarbonfootprintcalculationsarestillevolvinganditisemergingasanimportanttoolforgreenhousegasmanagement.

3、Theconceptofcarbonfootprintinghaspermeatedandisbeingcommercializedinalltheareasoflifeandeconomy,butthereislittlecoherenceindefinitionsandcalculationsofcarbonfootprintsamongthestudies.Therearedisagreementsintheselectionofgases,andtheorderofemissionstobecov

4、eredinfootprintcalculations.Standardsofgreenhousegasaccountingarethecommonresourcesusedinfootprintcalculations,althoughthereisnnomandatoryprovisionoffootprintverification.Carbonfootprintingisintendedtobeatooltoguidetherelevantemissioncutsandverifications,

5、itsstandardizationatinternationallevelarethere-forenecessary.Presentreviewdescribestheprevailingcarbonfootprintingmethodsandraisestherelatedissues.Keywords：Carbonfootprint·Directemissions·Embodiedemissions·GreenhousegasesIntroduction：TheIntergovernmentalP

6、anelonClimateChange(IPCC)initsfourthassessmentreporthasstronglyrecommendedtolimittheincreaseinglobaltemperaturebelow2?Cascomparedtopreindustriallevel(i.e.,measuredfrom1750)toavoidseriousecologicalandeconomicthreats.Ariseintemperatureby0.74?Chasalreadybeen

7、recordedandhenceclimatescientistsarefocusingonanurgentactiontocurbglobalwarming(IPCC2007;Kerr2007).Theimbalancescausedinnaturalsystemsduetowarmingarealreadybeingsignaledintheformofextremeweathereventsandclimatechange.Themountainoussnowcover,permafrost,and

8、glaciersaremeltingandGreenland,Antarctic,andArcticicepacksareexperiencingaIntroductionTheIntergovernmentalPanelonClimateChange(IPCC)initsfourthassessmentreporthasstronglyrecommendedtolimittheincreaseinglobaltemperat