The Saudi Arabian petroleum and national gas company, Saudi Aramco, is the world's largest corporate greenhouse gas emitter in history, having emitted a total of 70.7 billion metric tons of carbon dioxide equivalent (GtCO₂) as of 2023. The 25 biggest corporate polluters in history are responsible for emitting almost 700 GtCO₂e into the atmosphere since 1854.
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Cumulative operational and product emissions from the largest carbon producers worldwide from 1854 to 2023
(in million metric tons of carbon dioxide equivalent)
Characteristic
Emissions in million metric tons of CO₂ equivalent
Includes four direct production-linked operational emissions types and emissions from the combustion of marketed products. One of the four direct emission types is fugitive methane.
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CarbonMajors. (April 5, 2024). Cumulative operational and product emissions from the largest carbon producers worldwide from 1854 to 2023 (in million metric tons of carbon dioxide equivalent) [Graph]. In Statista. Retrieved June 11, 2025, from https://www.statista.com/statistics/1058434/leading-ghg-emissions-fossil-fuel-companies-globally/
CarbonMajors. "Cumulative operational and product emissions from the largest carbon producers worldwide from 1854 to 2023 (in million metric tons of carbon dioxide equivalent)." Chart. April 5, 2024. Statista. Accessed June 11, 2025. https://www.statista.com/statistics/1058434/leading-ghg-emissions-fossil-fuel-companies-globally/
CarbonMajors. (2024). Cumulative operational and product emissions from the largest carbon producers worldwide from 1854 to 2023 (in million metric tons of carbon dioxide equivalent). Statista. Statista Inc.. Accessed: June 11, 2025. https://www.statista.com/statistics/1058434/leading-ghg-emissions-fossil-fuel-companies-globally/
CarbonMajors. "Cumulative Operational and Product Emissions from The Largest Carbon Producers Worldwide from 1854 to 2023 (in Million Metric Tons of Carbon Dioxide Equivalent)." Statista, Statista Inc., 5 Apr 2024, https://www.statista.com/statistics/1058434/leading-ghg-emissions-fossil-fuel-companies-globally/
CarbonMajors, Cumulative operational and product emissions from the largest carbon producers worldwide from 1854 to 2023 (in million metric tons of carbon dioxide equivalent) Statista, https://www.statista.com/statistics/1058434/leading-ghg-emissions-fossil-fuel-companies-globally/ (last visited June 11, 2025)
Cumulative operational and product emissions from the largest carbon producers worldwide from 1854 to 2023 (in million metric tons of carbon dioxide equivalent) [Graph], CarbonMajors, April 5, 2024. [Online]. Available: https://www.statista.com/statistics/1058434/leading-ghg-emissions-fossil-fuel-companies-globally/
