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LEGAL RESOURCE – Expert Report of Benjamin A. Franta, County of Multnomah v. Exxon Mobil Corp.

Summary/Abstract

In this expert report, filed by plaintiffs in “County of Multnomah v. Exxon Mobil Corp.,” the author Dr. Benjamin A. Franta, Ph.D., provides expert testimony on evidence that misrepresentations by Defendants contributed to extreme weather in Oregon, lack of preparedness for climate change impacts, and foreseeability of these events.

The underlying case, County of Multnomah v. Exxon Mobil Corp., was brought by Multnomah County in Oregon against fossil fuel companies, oil and gas industry trade associations, and the consulting company McKinsey, seeking to hold them liable for harms allegedly caused by anthropogenic climate change to which the defendants substantially contributed. For more information about this case, visit the Sabin Center’s Climate Litigation Database.

Note: This climate attribution research was presented in the context of a contested legal proceeding. Different countries, courts, and legal forums may have different standards for expert testimony, and may conduct fact-finding based on legal standards of proof that differ from those applied in academic publishing. Readers should independently investigate and understand the bases for the assertions made in this document before applying this research in other contexts.

Download Resource [PDF]
June 2025
Benjamin A. Franta
Legal Document - County of Multnomah v. Exxon Mobil Corp.
Legal Document
Western United States
Climate Change Attribution in the Courts

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