Amplified positive effects on air quality, health, and renewable energy under China’s carbon neutral target

Author:

Qin YueORCID,Zhou MiORCID,Hao Yueting,Huang XinORCID,Tong DanORCID,Huang LiangdianORCID,Zhang ChuanORCID,Cheng JingORCID,Gu WeiyiORCID,Wang Licheng,He Xiaojia,Zhou Derong,Chen QiORCID,Ding AijunORCID,Zhu TongORCID

Abstract

AbstractChina pledged to achieve carbon neutrality by 2060 to combat global climate change, yet the resulting multi-aspect domestic impacts are not fully analysed due to an incomplete understanding of the underlying anthropogenic–natural interactions. Building an integrated cross-disciplinary modelling framework that can capture the feedbacks of changing aerosols on meteorology, here we highlight the amplified air quality, human health and renewable energy self-reinforcing synergies of China’s carbon neutral target in comparison to the baseline in 2015 and 2060. We find that owing to emissions reduction and more favourable meteorological conditions caused by less aerosol, achieving China’s carbon neutrality target in 2060 reduces national population-weighted PM2.5 concentrations and associated premature deaths by ~39 μg m3 and 1.13 (95% confidence interval: 0.97–1.29) million while boosting provincial solar (wind) power performance by up to ~10% (~6%) with mostly decreased resource variability in comparison to the 2060 baseline. Enhanced renewable performance along with low-carbon energy transition may provide additional opportunities to address the remaining air pollution and associated human health damages upon achieving carbon neutrality. Our results highlight that global developing and polluting countries’ pledge for carbon neutrality can produce important positive feedbacks between aerosols mitigation, air quality improvement and enhanced renewable energy, which can be amplified via weakened aerosol–meteorology interactions and better atmospheric dispersion.

Publisher

Springer Science and Business Media LLC

Reference57 articles.

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