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GHG emissions of biggest fossil fuel emitting companies worldwide in 2023 (in million metric tons of carbon dioxide equivalent)

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Source

Release date

March 2025

Region

Worldwide

Survey time period

2023

Supplementary notes

Emission values include fugitive methane emissions in MtCOâ‚‚e units.

Citation formats

Highest carbon producing entities worldwide 2023

Published by ÌÇÐÄÆƽâ°æ Research Department, Mar 17, 2025

Saudi Aramco was the biggest fossil fuel emitter worldwide in 2023, with emissions totaling *** billion metric tons of carbon dioxide equivalent (GtCOâ‚‚e). Coal India followed, having released just over *** GtCOâ‚‚e to the atmosphere that year. In 2023, the ** highest emitting fossil fuel entities emitted GtCOâ‚‚e, accounting for just over a quarter of the world's COâ‚‚ emissions.

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Greenhouse gas emissions worldwideGlobal climate changeGreenhouse gas emissions in the U.S.Carbon capture and storageClimate change in China
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