Air quality and health benefits of achieving carbon-neutrality in building sector over Beijing, China.

IF 8 2区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Journal of Environmental Management Pub Date : 2024-10-02 DOI:10.1016/j.jenvman.2024.122652

Mengya Wang, Yingying Liu, Sumei Li, Parham Azimi, Sha Chen, Steve Hung Lam Yim

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Abstract

To meet the goal of the Paris Agreement, China pledges to realize the "Dual Carbon" targets by 2060. As the capital of China, Beijing plays a leading role in becoming zero-emission or carbon neutral in the future. We project the pollutants emissions of building sector based on current strict clean air policies (PO scenario) and China's carbon neutrality target by 2060 (CN scenario) from 2019 to 2050. Results show that PM_2.5 concentration will increase by 2.62 μg/m³ under PO scenario; under the CN scenario, ozone concentration will increase by 2.53 μg/m³ but PM_2.5 concentration will reduce by 9.04 μg/m³. It is projected that China carbon neutrality goals could avoid 11.12% of PM_2.5-related health burden; With strict clean air policies, health burdens of ozone (3.9%) and PM_2.5 (4.1%) could be avoided, respectively. This study highlights the importance of achieving co-benefits of air quality and public health.

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中国北京建筑行业实现碳中性的空气质量和健康效益。

为实现《巴黎协定》的目标，中国承诺到 2060 年实现 "双碳 "目标。作为中国的首都，北京在未来实现零排放或碳中和方面发挥着主导作用。我们根据当前严格的清洁空气政策（PO 情景）和中国到 2060 年实现碳中和的目标（CN 情景），预测了 2019 年至 2050 年建筑行业的污染物排放量。结果表明，在 PO 情景下，PM2.5 浓度将增加 2.62 微克/立方米；在 CN 情景下，臭氧浓度将增加 2.53 微克/立方米，但 PM2.5 浓度将减少 9.04 微克/立方米。预计中国碳中和目标可避免 11.12% 的 PM2.5 相关健康负担；通过严格的清洁空气政策，可分别避免 3.9% 的臭氧和 4.1% 的 PM2.5 健康负担。这项研究强调了实现空气质量和公众健康共同效益的重要性。

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来源期刊

Journal of Environmental Management 环境科学-环境科学

CiteScore

13.70

自引率

5.70%

发文量

2477

审稿时长

84 days

期刊介绍： The Journal of Environmental Management is a journal for the publication of peer reviewed, original research for all aspects of management and the managed use of the environment, both natural and man-made.Critical review articles are also welcome; submission of these is strongly encouraged.