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Co-Benefits of Energy Structure Transformation and Pollution Control for Air Quality and Public Health until 2050 in Guangdong, China

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  • Haihua Mo

    (Guangdong-Hongkong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Institute for Environmental and Climate Research, Jinan University, Guangzhou 510632, China)

  • Kejun Jiang

    (Energy Research Institute, National Development and Reform Commission, Beijing 100038, China)

  • Peng Wang

    (Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China)

  • Min Shao

    (Guangdong-Hongkong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Institute for Environmental and Climate Research, Jinan University, Guangzhou 510632, China)

  • Xuemei Wang

    (Guangdong-Hongkong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Institute for Environmental and Climate Research, Jinan University, Guangzhou 510632, China)

Abstract

In order to mitigate global warming and improve air quality, the transformation of regional energy structures is the most important development pathway. China, as a major global consumer of fossil fuels, will face great pressure in this regard. Aiming toward achieving the global 2 °C warming target in China, this study takes one of the most developed regions of China, Guangdong Province, as the research area in order to explore a future development pathway and potential air quality attainment until 2050, by developing two energy structure scenarios (BAU_Energy and 2Deg_Energy) and three end-of-pipe scenarios (NFC, CLE, and MTFR), and simulating future air quality and related health impacts for the different scenarios using the WRF-Chem model. The results show that under the energy transformation scenario, total energy consumption in Guangdong rises from 296 Mtce (million tons of coal equivalent) in 2015 to 329 Mtce in 2050, with electricity and clean energy accounting for 45% and 35%. In 2050, the transformation of the energy structure leads to 64%, 75%, and 46% reductions in the emissions of CO 2 , NOx, and SO 2 compared with those in 2015. Together with the most stringent end-of-pipe control measures, the emissions of VOCs and primary PM 2.5 are effectively reduced by 66% and 78%. The annual average PM 2.5 and MDA8 (daily maximum 8 h O 3 ) concentrations in Guangdong are 33.8 and 85.9 μg/m 3 in 2015, with 63.4 thousand premature deaths (95% CI: 57.1–70.8) due to environmental exposure. Under the baseline scenario, no improvement is gained in air quality or public health by 2050. In contrast, the PM 2.5 and MDA8 concentrations decline to 21.7 and 75.5 μg/m 3 under the scenario with energy structure transformation, and total premature deaths are reduced to 35.5 thousand (31.9–39.5). When further combined with the most stringent end-of-pipe control measures, the PM 2.5 concentrations decrease to 16.5 μg/m 3 , but there is no significant improvement for ozone, with premature deaths declining to 20.6 thousand (18.5–23.0). This study demonstrates that the transformation of energy structure toward climate goals could be effective in mitigating air pollution in Guangdong and would bring significant health benefits. Compared with the end-of-pipe control policies, transformation of the energy structure is a more effective way to improve regional air quality in the long term, and synergistic promotion of both is crucial for regional development.

Suggested Citation

  • Haihua Mo & Kejun Jiang & Peng Wang & Min Shao & Xuemei Wang, 2022. "Co-Benefits of Energy Structure Transformation and Pollution Control for Air Quality and Public Health until 2050 in Guangdong, China," IJERPH, MDPI, vol. 19(22), pages 1-20, November.
  • Handle: RePEc:gam:jijerp:v:19:y:2022:i:22:p:14965-:d:971801
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    References listed on IDEAS

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    1. Pengcheng Lv & Haoyu Zhang & Xiaodong Li, 2023. "Spatio-Temporal Distribution Characteristics and Drivers of PM 2.5 Pollution in Henan Province, Central China, before and during the COVID-19 Epidemic," IJERPH, MDPI, vol. 20(6), pages 1-14, March.

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