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Early oil industry knowledge of CO2 and global warming

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Fig. 1: Excerpt of research proposal to the API from Harrison Brown and colleagues in 1954.
Fig. 2: Excerpt of address given by API President Frank Ikard at the organization's annual meeting in 1965.


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This research was supported by the Center for Climate Integrity and the Stanford University Department of History. T. Boughton of the University of Wyoming is thanked for providing the image for Fig. 2.

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Correspondence to Benjamin Franta.

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Franta, B. Early oil industry knowledge of CO2 and global warming. Nature Clim Change 8, 1024–1025 (2018).

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