Study On The Variation And Influencing Factors Of Regional Carbon Intensity In China

In recent years,with the development of the world economy,the increase in carbon emissions has led to a series of problems such as global warming.Among them,China surpassed the United States in 2008 to become the country with the largest total carbon emissions in the world.Therefore,since the low-carbon economy was proposed,it has received positive response from the international community.As a responsible big country,China is actively developing a “low-carbon economy”.Carbon emission reduction cannot be delayed.However,there are regional differences in carbon emissions in China.In order to formulate targeted emission reduction policies and save policy development costs,this thesis conducts sub-regional research on China’s carbon emissions research,which has important theoretical and practical significance for local governments to formulate carbon emission reduction policies.In this thesis,the PDA,LMDI decomposition model and Attribution Analysis method are combined to analyze the carbon emission intensity variation of China and eight regions.The method divides carbon emission intensity into six effects,12 factors,including carbon emission gaps and potential regional carbon emission structures,which provide more detailed information for studying carbon emission intensity changes.Further attribution analysis of the decomposition factors by the attribution equations gives the contribution of each region to the decomposition factors.The results indicate that the main factors contributing to the reduction of China’s carbon emission intensity are carbon emission efficiency and potential energy intensity,and Southwest China and Northeast China are major contributors;Potential regional carbon emission structures and output technology changes are the main reasons for the increase in China’s carbon intensity,with the Beijing-Tianjin region and the central region being the main contributors.According to the decomposition of these two groups of decomposition factors,the article further divides the eight regions into four categories,and provides suggestions for the formulation of targeted carbon emission reduction policies.