| In an economy,carbon emissions can be embodied in the intermediate goods or services,which causes the consumers who consuming the goods or services getting rid of environmental pressure.As a result,some sectors,who emitting a little emissions directly,may had considerable embodied emissions.In this paper,sectoral carbon emissions embodied in China’s industries was studied based on input-output analysis,life cycle assessment and structural decomposition analysis.Firstly,an integrated environmental input-output and life cycle assessments called EIO-LCA was employed to analyze China’s sectoral CO2 emissions.By improved EIO-LCA model,the CO2 emissions can be decomposed according to final demands and fuel types.The result showed that the construction sector emitted the most consumption emissions,and the production and supply of electric power and heat power sector emitted the most production emissions;Capital investments were responsible for nearly half of total emissions（48.33%）;Combustion of raw coal dominated the embodied emissions in most sectors（move than 70%）.Secondly,by using structural decomposition analysis（SDA）,the key drivers of China’s CO2 emissions were studied.The result showed that the increase in China’s CO2 emissions from 1992 to 2012 were mainly driven by economic growth,and mainly suppressed by the reduction the carbon intensity.Finally,according to the results of the empirical analysis,some valuable policy suggestions were proposed:1)Carbon emissions embodied in the intermediate goods or services should be noted.Polices foucs on reducing embodied carbon emissions should be encouraged.2)The economy rise in China should be changed from excessive dependent investment to pushing consume forward.3)The carbon-reduction polices on a certain sector should take into account energy structure.4)Energy-saving technological progress and industrial restructuring should be encouraged to decoupling economic growth and carbon emissions. |
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