中国电力行业环境外部性减少的驱动因素:一个时空分析
Jiqiang Wang1, Ya Wang2, Shaohui Zhang3
1Business College, Hebei Normal University, Shijiazhuang, China.
Journal of environmental management
|December 6, 2024
概括
中国的电力行业显著减少了环境损失,主要是通过减少空气污染和更清洁的能源组合. 政策现在应该关注能源结构和电力传输,而不仅仅是排放限制.
科学领域:
- 环境科学 环境科学
- 能源政策 能源政策
- 公共卫生 公共卫生
背景情况:
- 在过去的20年里,中国的电力行业一直致力于减轻对环境的影响.
- 导致这些减少和区域差异的关键因素尚不清楚.
研究的目的:
- 综合评估中国电力行业的环境损失.
- 确定2005-2020年间环境外部性减少的时间和空间驱动因素.
主要方法:
- 综合影响路径方法与指数分解分析.
- 使用了温室气体-空气污染相互作用和协同效应 (GAINS) 模型.
- 用时间和空间指数分解分析驱动因素.
主要成果:
- 环境损失从3082.1减少到892.3千年的生命损失 (YLL).
- 关键的驱动因素包括减少空气污染物排放,更清洁的电力结构和空间布局调整.
- 增加的发电规模,人口和老龄化对减少产生了负面影响.
结论:
- 由于分散和人口密度,每单位电力的环境损失存在显著的区域差异.
- 政策建议包括将重点从排放限制转移到能源结构和电力传输.
- 对环境外部性的宏观层面考虑对于电力规划和管理至关重要.
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