PetroChina's Scope 1 and Scope 2 greenhouse gas emissions totaled *** million metric tons of carbon dioxide equivalent (MtCOâ‚‚e) 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 ** GtCOâ‚‚e as of 2022.
Combined, these 10 oil majors emitted more than *** MtCOâ‚‚e 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.
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ÌÇÐÄÆƽâ°æ. (October 2, 2024). Scope 1 and 2 greenhouse gas emissions of largest oil companies worldwide in 2023 (in million metric tons of COâ‚‚ equivalent) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 05, 2026, from /statistics/1267242/greenhouse-gas-emissions-of-select-oil-companies/
ÌÇÐÄÆƽâ°æ. "Scope 1 and 2 greenhouse gas emissions of largest oil companies worldwide in 2023 (in million metric tons of COâ‚‚ equivalent)." Chart. October 2, 2024. ÌÇÐÄÆƽâ°æ. Accessed August 05, 2026. /statistics/1267242/greenhouse-gas-emissions-of-select-oil-companies/
ÌÇÐÄÆƽâ°æ. (2024). Scope 1 and 2 greenhouse gas emissions of largest oil companies worldwide in 2023 (in million metric tons of COâ‚‚ equivalent). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 05, 2026. /statistics/1267242/greenhouse-gas-emissions-of-select-oil-companies/
ÌÇÐÄÆƽâ°æ. "Scope 1 and 2 Greenhouse Gas Emissions of Largest Oil Companies Worldwide in 2023 (in Million Metric Tons of Coâ‚‚ Equivalent)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 2 Oct 2024, /statistics/1267242/greenhouse-gas-emissions-of-select-oil-companies/
ÌÇÐÄÆƽâ°æ, Scope 1 and 2 greenhouse gas emissions of largest oil companies worldwide in 2023 (in million metric tons of COâ‚‚ equivalent) ÌÇÐÄÆƽâ°æ, /statistics/1267242/greenhouse-gas-emissions-of-select-oil-companies/ (last visited August 05, 2026)
Scope 1 and 2 greenhouse gas emissions of largest oil companies worldwide in 2023 (in million metric tons of COâ‚‚ equivalent) [Graph], ÌÇÐÄÆƽâ°æ, October 2, 2024. [Online]. Available: /statistics/1267242/greenhouse-gas-emissions-of-select-oil-companies/
