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The Guardian - UK
The Guardian - UK
Environment
Damian Carrington Environment editor

Half of world’s CO2 emissions come from just 32 fossil fuel firms, study shows

Crude oil storage tanks at Saudi Aramco’s Ras Tanura oil refinery and terminal. Saudi Aramco was responsible for 1.7bn tonnes of CO2 in 2024, according to the report.
Crude oil storage tanks at Saudi Aramco’s Ras Tanura oil refinery and terminal. Saudi Aramco was responsible for 1.7bn tonnes of CO2 in 2024, according to the report. Photograph: Bloomberg/Getty Images

Just 32 fossil fuel companies were responsible for half the global carbon dioxide emissions driving the climate crisis in 2024, down from 36 a year earlier, a report has revealed.

Saudi Aramco was the biggest state-controlled polluter and ExxonMobil was the largest investor-owned polluter. Critics accused the leading fossil fuel companies of “sabotaging climate action” and “being on the wrong side of history” but said the emissions data was increasingly being used to hold the companies accountable.

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