气候治理与城市碳减排基于气候适应型城市建设试点政策的准自然实验

Climate Governance and Urban Carbon Emission ReductionA Quasi-Natural Experiment Based on the Pilot Policy of Climate-Resilient City Construction

  • 摘要: 气候治理是推动碳达峰碳中和目标实现的重要引擎,气候适应型城市建设为全球气候治理提供了中国方案。以气候适应型城市建设试点政策作为准自然实验,基于2010~2022年中国274个城市面板数据,探究气候适应型城市建设试点政策对城市碳排放的影响及其作用机制。结果表明:气候适应型城市建设试点政策能够有效降低碳排放强度,且该结论在通过多重稳健性检验后仍成立。机制分析表明,气候适应型城市建设试点政策主要通过提升绿色技术创新水平、降低能源消费强度和提升公众气候关注度,进而对碳排放产生抑制作用。异质性分析发现,相较于资源型城市、中小规模城市以及老工业基地,气候适应型城市建设试点政策的碳减排效应在非资源型城市、大规模城市和非老工业基地更为明显。上述发现为推进气候适应型城市建设,助力实现“双碳”目标提供政策参考和经验支持。

     

    Abstract: Climate governance is an important engine to promote the realization of the goal of carbon peaking and carbon neutrality, and the construction of climate-resilient cities provides a Chinese solution to global climate governance. Based on the panel data of 274 cities in China from 2010 to 2022, this paper explores the impact and mechanism of climate-resilient city construction pilot policies on urban carbon emissions. The results show that the climate-resilient urban construction pilot policy can effectively reduce carbon emission intensity, and this conclusion is still valid after passing multiple robustness tests. Mechanism analysis shows that the pilot policy of climate-resilient city construction can restrain carbon emissions mainly by improving the level of green technology innovation, reducing energy consumption intensity and enhancing public climate concern. Heterogeneity analysis shows that compared with resource-based cities, small and medium-sized cities and old industrial bases, the carbon emission reduction effect of climate-resilient city construction pilot policies is more obvious in non-resource-based cities, large-scale cities and non-old industrial bases. The above findings provide policy reference and empirical support for promoting the construction of climate-resilient cities and helping to achieve the “double carbon” goal.

     

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