| With the intensification of global warming and the frequent occurrence of extreme weather,the unforeseen meteorological disasters have posed a severe challenge to the survival and development of human beings.The main factor affecting the climate change is the emission of carbon dioxide,how to effectively control carbon emissions has become an urgent issue of common concern to all countries in the world.Since the reform and opening up,China's economy has continued to grow at a rapid rate.Especially after joining the World Trade Organization(WTO)in 2001,China's total foreign trade volume has increased rapidly and the trade surplus has been expanding.As "agent factories" of the world economy,China has not only delivered a lot of benefits to other economies in the world,but also took a lot of environmental pollution.The current division of carbon emission responsibility is based on the principle of producer burden.Under the influence of international trade,there is a “carbon leakage” phenomenon,which is not conducive to the reduction of carbon emissions.Therefore,it is even more necessary for countries to formulate more reasonable carbon emission standards on an existing basis so that all countries can participate in fair and equal terms,assume their due responsibilities,and jointly deal with global climate change.In order to clarify China's impact on carbon emissions in the world,this study is based on the input-output method and carbon emission factor method,using the world input-output database and carbon dioxide emission data to calculate the carbon emissions from the production side and the demand side of China respectively,and the impact of the carbon emissions on the production side of China.The SDA analysis is carried out to analyze China's impact on world carbon emissions and put forward policy recommendations on carbon emission reduction in China.The main results are as follows:(1)compared with developed countries,China's carbon emission coefficients are still higher;(2)China's production has shifted from the developed countries to the developing countries mainly,and the export carbon emissions from the intermediate products to the final products are gradually transferred to the intermediate products;(3)the growth of carbon emissions in all sectors is obvious,and mainly concentrated in the energy industry and heavy manufacturing industry;(4)China's own demand for carbon emissions is still larger but gradually decreases,while the indirect import of carbon emissions from other countries is gradually increasing;(5)China is a huge net exporter of carbon emissions in the world's carbon emissions,which began to decline after reaching the highest point in 2007,and is the main carbon emission bearer;(6)The scale effect has a great influence on the total effect,promotes a significant increase in carbon emissions,the technical effect has a positive inhibitory effect on the total effect,and is an important measure to reduce carbon emissions,however,the structural effect gradually suppresses the total effect as the industrial structure tends to be reasonable.And specifically put forward the following policy recommendations:(1)improving our own economic and technological efficiency,reducing carbon emissions per unit;(2)competing for high-end industries,getting rid of the dependence of resources;(3)adjusting the industrial structure,optimizing the proportion of energy;(4)putting forward more fair and reasonable carbon emissions responsibility. |
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