Journal
NATURE COMMUNICATIONS
Volume 11, Issue 1, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41467-020-18922-7
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Funding
- National Natural Science Foundation of China [71874097, 41921005, 71822402, 91746112, 71761147001]
- Beijing Natural Science Foundation [JQ19032]
- Qiushi Foundation
- National Science Fund for Distinguished Young Scholars of China [71725005]
- Beijing Outstanding Scientist Program [BJJWZYJH01201910027031]
- National Key R&D Program of China [2018YFC0213600]
- NSFC [71921003]
- National High-End Think Tank Construction Project of National Governance and Global Governance Institute of Tsinghua University [2020WTF044]
- National Key Research and Development Program of China [2017YFA0603802]
- Tsinghua University Initiative Scientific Research Program [2020Z99CFG012]
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The COVID-19 pandemic is impacting human activities, and in turn energy use and carbon dioxide (CO2) emissions. Here we present daily estimates of country-level CO2 emissions for different sectors based on near-real-time activity data. The key result is an abrupt 8.8% decrease in global CO2 emissions (-1551 Mt CO2) in the first half of 2020 compared to the same period in 2019. The magnitude of this decrease is larger than during previous economic downturns or World War II. The timing of emissions decreases corresponds to lockdown measures in each country. By July 1st, the pandemic's effects on global emissions diminished as lockdown restrictions relaxed and some economic activities restarted, especially in China and several European countries, but substantial differences persist between countries, with continuing emission declines in the U.S. where coronavirus cases are still increasing substantially.
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