Cumulative manmade emissions (1854-2010)
Over 63% of cumulative manmade greenhouse gas emissions have been generated by just ninety companies. Fifty of these companies are Investor owned, 31 are State owned, and 9 are Nation state owned.
Six Canadian companies are in the top ninety: Encana, Suncor, Canadian Natural Resources, Talisman, Husky Energy and Nexen.
Data courtesy of Richard Heede, Climate Accountability Institute, climateaccountability.org
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Data for this chart is here