Synergistic Pathways and Potential Assessment for Pollution and Carbon Reduction in Typical Coastal Cities: A Case Study of Haishu District Ningbo

Guojin Sun, Zhenhua Shao, Yichao Xu, Xuechen He, Keyu Shi, Hua Pan, Nan Xu, Xiaoyong Cao, Chunlei Wei (), Yi He () and Yao Shi
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Guojin Sun: School of Environmental Science and Engineering, Zhejiang University of Water Resources and Electric Power, Hangzhou 310018, China
Zhenhua Shao: BlueSky Environmental Technology Co., Hangzhou 310058, China
Yichao Xu: BlueSky Environmental Technology Co., Hangzhou 310058, China
Xuechen He: Institute of Zhejiang University-Quzhou, Quzhou 324000, China
Keyu Shi: School of Environmental Science and Engineering, Zhejiang University of Water Resources and Electric Power, Hangzhou 310018, China
Hua Pan: College of Biology and Environmental Engineering, Zhejiang Shuren University, Hangzhou 310015, China
Nan Xu: Institute of Zhejiang University-Quzhou, Quzhou 324000, China
Xiaoyong Cao: Institute of Zhejiang University-Quzhou, Quzhou 324000, China
Chunlei Wei: Institute of Zhejiang University-Quzhou, Quzhou 324000, China
Yi He: Institute of Zhejiang University-Quzhou, Quzhou 324000, China
Yao Shi: College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, China

Sustainability, 2025, vol. 17, issue 20, 1-20

Abstract: Under the “dual carbon” strategy, achieving synergy between pollution reduction and carbon mitigation is crucial for the sustainable development of coastal cities. However, existing studies frequently emphasize single-carbon reduction measures whilst neglecting to acknowledge the cross-sectoral synergistic effects. This study takes the Haishu District of Ningbo in Zhejiang Province as a case study and quantitatively assesses the effectiveness of synergistic governance strategies across four key pathways: photovoltaic power generation, carbon sequestration by green land, new energy transportation, and waste incineration for power generation. The results demonstrate that multi-sectoral coordinated management significantly enhances overall emission reduction efficiency, with the photovoltaic and waste-to-energy pathways showing the highest carbon reduction potential. This study establishes a multi-pathway framework for evaluating the synergistic effects of pollution and carbon reduction. It also provides scientific support for decision-making regarding the transition to a low-carbon economy in coastal cities, and proposes a replicable evaluation methodology that can be used to implement dual carbon strategies in other coastal regions.

Keywords: synergistic pollution and carbon reduction; integrated governance; coastal cities; carbon neutrality (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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