Emissions from transport account for the largest share of the global decrease.
The global COVID-19 lockdowns caused fossil carbon dioxide emissions to decline by an estimated 2.4 billion tonnes in 2020 – a record drop according to researchers at the University of East Anglia (UEA), University of Exeter and the Global Carbon Project.
The fall is considerably larger than previous significant decreases – 0.5 (in 1981 and 2009), 0.7 (1992), and 0.9 (1945) billion tonnes of CO2 (GtCO2).
It means that in 2020 fossil CO2 emissions are predicted to be approximately 34 GtCO2, 7% lower than in 2019.
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