Closing the Gap between Carbon Neutrality Targets and Action: Technology Solutions for China’s Key Energy-Intensive Sectors

Dong, J., Cai, B., Zhang, S. ORCID:, Wang, J., Yue, H., Wang, C., Mao, X., Cong, J., et al. (2023). Closing the Gap between Carbon Neutrality Targets and Action: Technology Solutions for China’s Key Energy-Intensive Sectors. Environmental Science & Technology 57 (11) 4396-4405. 10.1021/acs.est.2c08171.

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Facing significant carbon emissions annually, China requires a clear decarbonization strategy to meet its climate targets. This study presents a MESSAGEix-CAEP model to explore Chinese decarbonization pathways and their cost-benefit under two mitigation scenarios by establishing connections between five energy-intensive sectors based on energy and material flows. The results indicated the following: 1) Interaction and feedback between sectors should not be disregarded. The electrification process of the other four sectors was projected to increase electricity production by 206%, resulting in a higher power demand than current forecasts. 2) The marginal abatement cost to achieve carbon neutrality across all five sectors was 2189 CNY/tCO2, notably higher than current Chinese carbon emission trading prices. 3) The cost-benefit analysis indicates that a more ambitious abatement strategy would decrease the marginal abatement cost and result in a higher net carbon abatement benefit. The cumulative net benefit of carbon reduction was 7.8 trillion CNY under ambitious mitigation scenario, 1.3 trillion CNY higher than that under current Chinese mitigation scenario. These findings suggest that policy-makers should focus on the interaction effects of decarbonization pathways between sectors and strengthen their decarbonization efforts to motivate early carbon reduction.

Item Type: Article
Uncontrolled Keywords: carbon neutrality; carbon peaking; cost-benefit analysis; marginal abatement cost; social cost of carbon
Research Programs: Energy, Climate, and Environment (ECE)
Energy, Climate, and Environment (ECE) > Integrated Assessment and Climate Change (IACC)
Energy, Climate, and Environment (ECE) > Pollution Management (PM)
Energy, Climate, and Environment (ECE) > Sustainable Service Systems (S3)
Depositing User: Luke Kirwan
Date Deposited: 21 Mar 2023 11:13
Last Modified: 21 Mar 2023 11:13

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