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This paper presents a quantitative analysis of the historic fossil fuel and cement production records of the 50 leading investor-owned, 31 state-owned, and 9 nation-state producers of oil, natural gas, coal, and cement from as early as 1854 to 2010. This analysis traces emissions totaling 914 GtCOe—63 % of cumulative worldwide emissions of industrial CO and methane between 1751 and 2010—to the 90 “carbon major” entities based on the carbon content of marketed hydrocarbon fuels (subtracting for non-energy uses), process CO from cement manufacture, CO from flaring, venting, and own fuel use, and fugitive or vented methane. Cumulatively, emissions of 315 GtCOe have been traced to investor-owned entities, 288 GtCOe to state-owned enterprises, and 312 GtCOe to nation-states. Of these emissions, half has been emitted since 1986. The carbon major entities possess fossil fuel reserves that will, if produced and emitted, intensify anthropogenic climate change. The purpose of the analysis is to understand the historic emissions as a factual matter, and to invite consideration of their possible relevance to public policy.

Tracing anthropogenic carbon dioxide and methane emissions to fossil fuel and cement producers, 1854–2010