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Abstract
This paper presents a daily CO₂ emissions dataset for 2020, revealing a 6.3% (2,232 MtCO₂) global reduction compared to 2019 due to COVID-19 lockdowns. The initial drop was significant, primarily impacting transportation, but emissions gradually recovered from late April. Subsequent lockdowns caused smaller reductions, mainly in Western countries. The 2020 decrease is comparable to the annual reductions needed to limit warming to 1.5°C, highlighting the urgency of energy transition.
Publisher
Nature Geoscience
Published On
Jun 30, 2022
Authors
Zhu Liu, Zhu Deng, Biqing Zhu, Philippe Ciais, Steven J. Davis, Jianguang Tan, Robbie M. Andrew, Olivier Boucher, Simon Ben Arous, Josep G. Canadell, Xinyu Dou, Pierre Friedlingstein, Pierre Gentine, Rui Guo, Chaopeng Hong, Robert B. Jackson, Daniel M. Kammen, Piyu Ke, Corinne Le Quéré, Crippa Monica, Greet Janssens-Maenhout, Glen P. Peters, Katsumasa Tanaka, Yilong Wang, Bo Zheng, Haiwang Zhong, Taochun Sun, Hans Joachim Schellnhuber
Tags
CO₂ emissions
COVID-19
global reduction
energy transition
transportation
climate change

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