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Cumulative greenhouse gas (GHG) emissions of fossil fuel producers in Canada between 1854 and 2023 (in million metric tons of carbon dioxide equivalent)

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Source

Release date

March 2025

Region

Canada

Survey time period

1854 to 2023

Supplementary notes

Total emissions include direct production-linked operational emissions (Scope 1) and emissions from the combustion of market products (Scope 3 category 11: Use of Sold Products).

Citation formats

Cumulative GHG emissions in Canada 1854-2023, by company

Published by ÌÇÐÄÆƽâ°æ Research Department, Mar 17, 2025

As of 2023, Suncor Energy was Canada's biggest ever greenhouse gas (GHG) polluter, having emitted a total of *** billion metric tons of carbon dioxide equivalent (GtCO₂e) throughout its history. Combined, these six Canadian fossil fuel producers have released almost ** GtCO₂e into the atmosphere. In 2022, Canada's biggest GHG emitter was the Kearl Oil Sands Project in Alberta. 

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