Reduction in extreme climate events and potential impacts by the use of technological advances,International Journal of Climatology

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Reduction in extreme climate events and potential impacts by the use of technological advances
International Journal of Climatology ( IF 3.5 ) Pub Date : 2020-12-16 , DOI: 10.1002/joc.6971
Ting Wei ₁ , Changxin Liu ₂ , Wenjie Dong ₃ , Haipeng Yu ₄ , Shili Yang ₅ , Qing Yan ₆ , Zhixin Hao ₇

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Technological advances have the potential to balance climate change mitigation and economic development. However, it remains unclear how much technological advances alone can mitigate climate change and the associated economic losses in the future. Through designing a suite of technological advances scenarios and using an earth system model with an integrated assessment model, we illustrate that rapid technological progress without production control might achieve the 2°C global warming target in the 2100s. Relative to a world of stagnant technology, the frequency (intensity) of extreme warm events at the end of the 21st century (2081–2100) would be reduced by ∼21% (5.5°C) via rapid technological advances, with a reduction in extreme precipitation (droughts) by ∼41% (10 times). Furthermore, fast technological advances may reduce the global economic losses linked with climate change at 2081–2100 by ∼21% and those in China related to floods (droughts) by 86% (67%). Our results highlight the potential of technological advances to fill the emission gap between the Paris Agreement and unconditional Nationally Determined Contributions and hence to efficiently mitigate global warming.

更新日期：2020-12-16

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