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The 20 firms behind a third of all carbon emissions

Espresso Logo By Melanie Ewan of Espresso | Slide 1 of 21: In 2019 the Climate Accountability Institute (CAI) published “Carbon Majors,” an updated dataset that shows “how much each of the largest oil, natural gas, and coal companies has contributed to the climate crisis,”(CAI Press Release, 2019). The data details carbon dioxide and methane emissions from 1965 to 2017 and found that the top 20 companies in this sector are responsible for one-third of global fossil fuel and cement emissions. This dataset is a living, open-source reference that captures historical data on carbon production and emissions with the intention of holding the industry accountable for both historical and future actions. Here’s a peek into the 2019 Top 20 and why they made the list.

The 20 firms behind a third of all carbon emissions

In 2019 the Climate Accountability Institute (CAI) published “Carbon Majors,” an updated dataset that shows “how much each of the largest oil, natural gas, and coal companies has contributed to the climate crisis,”(CAI Press Release, 2019). The data details carbon dioxide and methane emissions from 1965 to 2017 and found that the top 20 companies in this sector are responsible for one-third of global fossil fuel and cement emissions. This dataset is a living, open-source reference that captures historical data on carbon production and emissions with the intention of holding the industry accountable for both historical and future actions. Here’s a peek into the 2019 Top 20 and why they made the list.

(Editor's note: All figures in U.S. dollars unless otherwise indicated. Please check out our Currency Converter  for the latest values.)  

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