Abstract
There has been growing interest among researchers in factors influencing carbon emissions of energy-intensive industries in China due to the important roles they play. Such studies mainly focused on evaluating carbon emissions and identifying the contributing factors separately for each energy-intensive industry. Regarding energy-intensive industries as a whole and investigating the contribution of each industry to changes in carbon intensity have not yet been sufficiently addressed and quantified. In order to deeply understand this issue, this study employed the LMDI decomposition analysis to study driving forces (e.g., emission coefficient, energy intensity, and industrial structure) of carbon intensity of energy-intensive industries. Then, attribution analysis was further used to study the contribution of each energy-intensive industry to the percent change in carbon intensity through each impact factor. The results showed that the carbon intensity of energy-intensive industries dropped by 31.83% from 1996 to 2014. The energy intensity effect was largely responsible for this decrease, of which, five industries were the contributors except for the fuel-processing industry. The industrial structure effect also contributed to the decrease, and non-metallic industry and fuel-processing industry played important roles. However, the emission coefficient effect showed a slight impact on increasing carbon intensity, which principally due to chemical industry and power generation industry. The findings suggested that the adaptability and sensitivity of different energy-intensive industries to the implemented policies were various. Based on the results, differentiated and feasible policies related to energy intensity, industrial structure, and energy structure for energy-intensive industries were provided to further mitigate carbon intensity.
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Notes
The scope of energy-intensive industries in China is confirmed in “2010 National Economic and Social Development Statistics Bulletin of China”.
The policy was aimed at six energy-intensive sectors, and enterprises attributed to these sectors were grouped into four groups based on levels of technology and energy efficiency: encouraged, permitted, restricted, and eliminated. For enterprises in the “encouraged” and “permitted” groups, electricity prices were consistent with the industrial electricity price in their regions, of which the price was between 0.64 and 0.73 Yuan/kWh from 2006 to 2010. Enterprises in the “restricted” and “eliminated” groups were required to pay surcharges of 0.02 Yuan and 0.05 Yuan per kWh, respectively.
Data source: China Industrial Information Network from National Bureau of statistics.
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Acknowledgements
This research acknowledges the financial support from the Major Program of Social Science Foundation of Tianjin Municipal Education Commission (2016JWZD04), the Independent Innovation Foundation of Tianjin University (2017XSZ-0055), the Ministry of Education of Philosophy and Social Major Science Project (15JZD021), and the Ministry of Education of Humanities and Social Science Research Fund Plan (15YJA790091). The authors are grateful to the anonymous reviewers for their valuable suggestions and comments on the earlier draft of our paper.
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Wang, J., Zhao, T. & Zhang, X. Changes in carbon intensity of China’s energy-intensive industries: a combined decomposition and attribution analysis. Nat Hazards 88, 1655–1675 (2017). https://doi.org/10.1007/s11069-017-2938-8
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DOI: https://doi.org/10.1007/s11069-017-2938-8