学科分类
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3 个结果
  • 简介:Inthisresearch,theFactorAnalysismodelofmeasuringprovinciallowcarbondevelopmentinChinahasbeenconstructed.Basedondatafrom30provinces,anempiricalstudywasdevelopedtomeasurecomprehensivelowcarbondevelopmentusingtheFactorAnalysismodel(PrincipalComponentsmethodandNormalizedVarimaxRotation).Theresultsrevealthattheprovincialmarksoflowcarbondevelopmentaregenerallylowandonlynineprovinceshavehighmarks(morethan0.80).Theresultsalsoshowsignificantregionaldisparity.TheprovincialmarksoftheeasternregionarehigherthanboththemiddleandwesternprovincesofmainlandChina.Alloftheprovinceswithhighmarks(morethan0.90)arelocatedintheeasternregion,andthosewiththelowestmarks(0.60)arelocatedinthemiddleregion.Furthermore,regionaldisparityinlowcarbondevelopmentfollowsthesamepatternaseconomicdevelopmentinChina.Finally,somesuggestionsfordecision-makersarepresented.

  • 标签: 中国大陆 低碳 综合评价 因子分析模型 主成分分析法 东部地区
  • 简介:Chinaachievedmajorprogressinlow-carbondevelopmentduringtheperiodofthe11thFiveYearPlan(2006-2010).Theincreasingtrendofenergyintensityandcarbonintensityoftheeconomyasseenpriorto2005wasreversedtoasharpdecreasingtrend,leadingtoa19%decreaseinenergyintensityand21%decreaseincarbonintensityinfiveyears.Theenhancedenergyefficiency,mostlyduetoefficiencyimprovementinpowerandmanufacturingsector,isthemajordriverofthedecreaseincarbonintensityoftheeconomy.Thedevelopmentofrenewableenergy,despiteitsimpressivegrowthrate,playedaminorrolebecauseofitssmallshareintheenergymixofthecountry.Energycon-sumptionandenergy-relatedcarbonemissionsperunitofareainbuildingcontinuedtogrowatalesserrate,which,combinedwiththefastgrowthoftotalbuildingvolume,ledtofastgrowthintotalenergyconsumptionandcarbonemissionsinthesector.Similartrendisobservedinthetransportationsectorwhosetotalenergyuseandcarbonemissionscontinuedtogrowfastdespiteslightimprovementinenergyefficiency.Agriculturalenergyuseexperiencedaslightchangeandforestrymadeamajorcontributiontocarbonsinks.Policyandinstitutionalinnovationshelpedbuildasolidsystemofrulesforlow-carbondevelopment.Improvingcosteffectivenessofthesystemremainsamajorchallengeforthenextfiveyearplanperiod.

  • 标签: 低碳 经济 中国 二氧化碳排放量 能源强度 能源效率
  • 简介:Inrespondingtoglobalclimatechange,theideaoflow-carboneconomyemergesasthetimesrequire.Developinglow-carboneconomyisbasedontheconstructionoflow-carbonsociety.Thesocalled'two-orientationsociety'(resourcesconservationorientatedsocietyandenvironmentalfriendlyorientatedsociety)istheconcreterepresentationoflow-carbonsocietywithChinesecharacteristics,andanactualactionforChinaindevelopinglow-carboneconomy.Basedonurbanagglomeration,thepaperdiscussesthemeaningofandtheroutetolow-carbonsocietywhichwouldbetterreflecttheintrinsicrequirementsofsuchasociety.

  • 标签: 中国特色 社会 低碳 路线 全球气候变化 环境友好