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  • 2018-11-01 (xsd:date)
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  • Are 100 companies causing 71% of carbon emissions? (en)
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  • 100 companies are responsible for 71% of global emissions. Of the estimated greenhouse gas emissions from human activity (excluding certain sources like agricultural methane) between 1988 and 2015, 71% originated from 100 fossil fuel producers. This includes the emissions released when the fossil fuels they sold were subsequently used by their customers. But part of the problem is, when you know that 100 companies are responsible for 71% of global emissions... Adam Hills, 12 October 2018 We’ve been asked by a reader to factcheck this claim made on Channel 4’s The Last Leg by the show’s presenter, Adam Hills (it’s about 33 and a half minutes in). You may have also seen a similar claim floating about on social media, and it was widely reported by the press. It comes from a report released last year, which said that 71% of greenhouse gas emissions from human activity could be traced back to 100 fossil fuel producers. Stay informed Be first in line for the facts – get our free weekly email Subscribe The figure comes from a report by charity CDP (formerly the Carbon Disclosure Project), which works with companies to publish their environmental impact data for analysis. Some producers (which may be companies like BP or state producing entities, like China or Russia) voluntarily give their emissions data to CDP, but for others, CDP use annual reports about their activities to estimate their emissions. In the original press release accompanying the report, CDP said: 100 active fossil fuel producers including ExxonMobil, Shell, BHP Billiton and Gazprom are linked to 71% of industrial greenhouse gas emissions since 1988. We asked it to clarify exactly what that meant. They told us that of the total estimated cumulative greenhouse gas emissions released by human activity (excluding carbon dioxide from land use, land use change and forestry, and agricultural methane) between 1988 and 2015, 71% of those emissions originated from 100 fossil fuel producers. This includes the emissions from producing fossil fuels (like oil, coal and gas), and the subsequent use of the fossil fuels they sell to other companies. Therefore, it might not come as such a surprise that these 100 entities are linked to 71% of human activity-related greenhouse gas emissions, since all 100 are fossil fuel producers. Human activity-related greenhouse gas emissions are responsible for the greenhouse effect. The Earth’s atmosphere is naturally made up of greenhouse gases, like carbon dioxide and methane, which trap heat from the sun causing a warming effect on the Earth below. A certain level of naturally-occurring greenhouse gases keep the Earth (on average) at a pretty hospitable temperature for life. Burning fossil fuels, agriculture, and other industrial processes release extra greenhouse gases, and these trap extra heat close to the Earth’s surface. That’s caused global warming—a long-term warming of the planet. A symptom of this is that since 2001 we’ve experienced 17 of the 18 warmest years on record since records began 136 years ago. Correction 2 November 2018 We amended the conclusion of this piece to say that fossil fuel producers sold fossil fuels rather than made them. (en)
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