碳排放和健康损害来源贡献的实质性差异需要中国平衡的协同控制计划
Yilin Chen1,2, Huizhong Shen3,4, Guofeng Shen5
1School of Urban Planning and Design, Peking University Shenzhen Graduate School, Shenzhen, 518055, China. ylchen2023@pku.edu.cn.
Nature communications
|July 12, 2024
概括
中国中国中国中国.
科学领域:
- 环境科学 环境科学
- 公共卫生 公共卫生
- 气候变化研究 气候变化研究
背景情况:
- 中国在缓解气候变化和空气污染方面面临挑战,原因是对各种来源的健康影响和碳排放数据有限.
- 有效的策略需要了解不同部门和燃料对二氧化碳排放和细颗粒物 (PM2.5) 相关死亡率的具体贡献.
研究的目的:
- 量化和比较不同部门和燃料类型对中国二氧化碳 (CO2) 排放和与微粒颗粒物 (PM2.5) 相关的过早死亡率的贡献.
- 确定推动气候变化影响的来源和造成健康损害的来源之间的差异.
- 为同时实现气候和空气质量目标的综合减缓战略提供信息.
主要方法:
- 利用附加的排放灵敏度建模来归因于2017年过早死亡率.
- 分析了53个具有高空间分辨率的部门和燃料/工艺组合.
- 对二氧化碳排放和PM2.5相关健康影响的来源贡献进行比较.
主要成果:
- 导致二氧化碳排放的来源和导致PM2.5相关死亡的来源之间存在重大差异.
- 在超过一半的分析子部门中,PM2.5对健康的货币化损害超过了气候影响.
- 能源密集型工艺,柴油车辆,国内煤炭和农业都会带来相当大的健康和气候成本,而健康成本往往占主导地位.
结论:
- 将健康损害的社会成本与气候影响相结合,对于制定平衡的减缓战略至关重要.
- 解决能源密集型工艺,运输,国内煤炭使用和农业对于双重气候和健康益处至关重要.
- 这些发现在中国正在进行的燃料转型和工业重组期间尤为重要.
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