France, Jan. 22 -- With the use of oil, gas and coal by far the main cause of global warming, a report released by Carbon Majorson Wednesday highlights the role played by a small group of fossil fuel producers.

According to the study, 32 fossil fuel companies were responsible for half of global carbon dioxide emissions in 2024. The ranking is led by Saudi Arabia's state-owned giant Aramco, followed by Russia's Gazprom and the National Iranian Oil Company.

The report found that Saudi Aramco alone generated 1.7 billion tonnes of CO₂ in 2024, much of it linked to oil exports. ExxonMobil's fossil fuel production accounted for a further 610 million tonnes.

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