In 2020, the COVID-19 pandemic caused significant emissions reductions worldwide. Global CO2 emissions from oil fell **** billion metric tons (GtCO2) as a result of reduced transportation use during lockdowns. These reductions contributed the the largest ever drop in global CO2 emissions. Despite this massive drop, emissions rebounded in 2021, with coal emissions increasing by **** GtCO2.
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Carbon Brief. (November 4, 2021). Year-on-year change in global carbon dioxide emissions worldwide from 2019 to 2021, by fuel type (in billion metric tons of carbon dioxide) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 26, 2026, from /statistics/1279722/change-in-co2-emissions-worldwide-by-fuel-type/
Carbon Brief. "Year-on-year change in global carbon dioxide emissions worldwide from 2019 to 2021, by fuel type (in billion metric tons of carbon dioxide)." Chart. November 4, 2021. ÌÇÐÄÆƽâ°æ. Accessed July 26, 2026. /statistics/1279722/change-in-co2-emissions-worldwide-by-fuel-type/
Carbon Brief. (2021). Year-on-year change in global carbon dioxide emissions worldwide from 2019 to 2021, by fuel type (in billion metric tons of carbon dioxide). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 26, 2026. /statistics/1279722/change-in-co2-emissions-worldwide-by-fuel-type/
Carbon Brief. "Year-on-year Change in Global Carbon Dioxide Emissions Worldwide from 2019 to 2021, by Fuel Type (in Billion Metric Tons of Carbon Dioxide)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 4 Nov 2021, /statistics/1279722/change-in-co2-emissions-worldwide-by-fuel-type/
Carbon Brief, Year-on-year change in global carbon dioxide emissions worldwide from 2019 to 2021, by fuel type (in billion metric tons of carbon dioxide) ÌÇÐÄÆƽâ°æ, /statistics/1279722/change-in-co2-emissions-worldwide-by-fuel-type/ (last visited July 26, 2026)
Year-on-year change in global carbon dioxide emissions worldwide from 2019 to 2021, by fuel type (in billion metric tons of carbon dioxide) [Graph], Carbon Brief, November 4, 2021. [Online]. Available: /statistics/1279722/change-in-co2-emissions-worldwide-by-fuel-type/
