PetroChina's Scope 1 and Scope 2 greenhouse gas emissions totaled 171 million metric tons of carbon dioxide equivalent (MtCO₂e) in 2023. This was more than double the GHG emissions produced by Saudi Aramco that year. Nevertheless, Saudi Aramco has the highest cumulative emissions among state-owned companies worldwide, having produced almost 70 GtCO₂e as of 2022.
Combined, these 10 oil majors emitted more than 700 MtCO₂e from their own operations and energy they used in 2023. However, oil companies are responsible for far higher emissions when indirect Scope 3 emissions are taken into account. Scope 3 emissions are those that occur in sources not owned or controlled by a company, but are associated with a company's supply chain or from customers' use of their products, such as for heating buildings and transportation.
Scope 1 and 2 greenhouse gas emissions of largest oil companies worldwide in 2023
(in million metric tons of CO₂ equivalent)
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Statista. (October 2, 2024). Scope 1 and 2 greenhouse gas emissions of largest oil companies worldwide in 2023 (in million metric tons of CO₂ equivalent) [Graph]. In Statista. Retrieved November 21, 2024, from https://www.statista.com/statistics/1267242/greenhouse-gas-emissions-of-select-oil-companies/
Statista. "Scope 1 and 2 greenhouse gas emissions of largest oil companies worldwide in 2023 (in million metric tons of CO₂ equivalent)." Chart. October 2, 2024. Statista. Accessed November 21, 2024. https://www.statista.com/statistics/1267242/greenhouse-gas-emissions-of-select-oil-companies/
Statista. (2024). Scope 1 and 2 greenhouse gas emissions of largest oil companies worldwide in 2023 (in million metric tons of CO₂ equivalent). Statista. Statista Inc.. Accessed: November 21, 2024. https://www.statista.com/statistics/1267242/greenhouse-gas-emissions-of-select-oil-companies/
Statista. "Scope 1 and 2 Greenhouse Gas Emissions of Largest Oil Companies Worldwide in 2023 (in Million Metric Tons of Co₂ Equivalent)." Statista, Statista Inc., 2 Oct 2024, https://www.statista.com/statistics/1267242/greenhouse-gas-emissions-of-select-oil-companies/
Statista, Scope 1 and 2 greenhouse gas emissions of largest oil companies worldwide in 2023 (in million metric tons of CO₂ equivalent) Statista, https://www.statista.com/statistics/1267242/greenhouse-gas-emissions-of-select-oil-companies/ (last visited November 21, 2024)
Scope 1 and 2 greenhouse gas emissions of largest oil companies worldwide in 2023 (in million metric tons of CO₂ equivalent) [Graph], Statista, October 2, 2024. [Online]. Available: https://www.statista.com/statistics/1267242/greenhouse-gas-emissions-of-select-oil-companies/
