Carbon Majors' GHG Footprint Revealed

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(10 June 2021) While 30% of the world's largest corporations have already made a commitment to reducing carbon emissions, there are other companies whose economic activity is inextricably linked to greenhouse gas (GHG) emissions and for whom reducing their carbon footprint is barely feasible — the so-called "carbon majors." In its 2020 Carbon Majors report, the Climate Accountability Institute estimates that between 1965 and 2018, 493 billion tons of greenhouse gases (in CO2 equivalent), or 35% of global GHG emissions from fossil fuels and cement production, were emitted from the combustion of coal, oil, and gas produced by twenty major fossil fuel companies.

  • 4.3% of global CO2 emissions from fossil fuels combustion and cement production between 1965 and 2018 can be attributed to Saudi Aramco, one of the largest public companies in the world.
  • The list of top twenty carbon majors also includes four US companies, which taken together are responsible for more than 8% of global CO2 emissions from 1965 through 2018.

Note: List of fossil fuel majors doesn't necessary corresponds to the list of carbon majors. List of fossil fuel majors is usually comprised of largest fossil fuels producers ranked by market value, annual revenue or amount of produced fossil fuels. List of carbon majors includes companies ranked by the amount of greenhouse gasses emitted in the process of production and from the combustion of produced fossil fuels.

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