Climate Change Attribution in the Courts Archives - Climate Attribution

Legal Resource – Expert Declaration of Justin S. Mankin – United States v. New York

Published:October 2025

Author(s):Justin S. Mankin

Publisher:Legal Document - United States v. New York

In this declaration, filed in support of defendant's opposition to plaintiff's motion for summary judgment, the author explains how climate scientists attribute GHG emissions to fossil fuel companies, and methods of attributing subsequent harm.Read More →

LEGAL RESOURCE – Expert Report of Daniel Swain, County of Multnomah v. Exxon Mobil Corp.

Published:April 2025

Author(s):Daniel Swain

Publisher:Legal Document – County of Multnomah v. Exxon Mobil Corp.

In this expert report, filed by plaintiffs in "County of Multnomah v. Exxon Mobil Corp.," the author provides expert testimony on evidence that human-driven climate change influenced extreme weather events in Oregon.Read More →

LEGAL RESOURCE – Expert Report of Richard Heede, County of Multnomah v. Exxon Mobil Corp.

Published:April 2025

Author(s):Richard Heede

Publisher:Legal Document – County of Multnomah v. Exxon Mobil Corp.

In this expert report, filed by plaintiffs in "County of Multnomah v. Exxon Mobil Corp.," the author provides expert testimony regarding the results of a source attribution study on several fossil fuel and related companies.Read More →

LEGAL RESOURCE – Expert Reports of Lise Van Sustern, M.D. – Held v. State of Montana

Published:September 2022

Author(s):Lise Van Sustern

Publisher:Legal Document - Held v. State of Montana

In this expert report, filed by plaintiffs in the case "Held v. State of Montana," Dr. Van Sustern assesses the impact of climate change on the mental health of children in Montana, including the youth plaintiffs.Read More →

LEGAL RESOURCE – Expert Reports of Lori G. Byron, MD, MS & Robert G. Byron, MD, MPH – Held v. State of Montana

Published:September 2022

Author(s):Lori G. Byron, Robert G. Byron

Publisher:Legal Document - Held v. State of Montana

In this report, filed by plaintiffs in the case "Held v. State of Montana," the authors assess the impact of climate change on public health in Montana, with a particular focus on impacts to children and the youth plaintiffs.Read More →

LEGAL RESOURCE – Expert Report of Jack A. Stanford – Held v. State of Montana

Published:September 2022

Author(s):Jack A. Stanford

Publisher:Legal Document - Held v. State of Montana

In this expert report, filed by plaintiffs in "Held v. State of Montana," the author provides expert testimony regarding the adverse impacts of climate change on Montana’s freshwater ecosystems, and the resulting impacts on the plaintiffs.Read More →

LEGAL RESOURCE – Expert Reports of Peter A. Erickson – Held v. State of Montana

Published:September 2022

Author(s):Peter A. Erickson

Publisher:Legal Document - Held v. State of Montana

In this expert report, submitted by plaintiffs in "Held v. Montana," the author assesses emissions attributable to "extraction of fossil fuels; processing and transportation of fossil fuels; and consumption of fossil fuels by end users" in Montana.Read More →

LEGAL RESOURCE – Expert Reports of Daniel B. Fagre, Ph.D. – Held v. State of Montana

Published:September 2022

Author(s):Daniel B. Fagre

Publisher:Legal Document - Held v. State of Montana

In this expert report, filed by plaintiffs in "Held v. State of Montana," the author assesses the impact of climate change on the mountain glaciers of Montana's Glacier National Park.Read More →

LEGAL RESOURCE – Expert Reports of Steven W. Running, Ph.D. & Cathy Whitlock, Ph.D. – Held v. State of Montana

Published:September 2022

Author(s):Steven W. Running, Cathy Whitlock

Publisher:Legal Document - Held v. State of Montana

This expert report, submitted by plaintiffs in "Held v. State of Montana," provides an overview of the linkages between anthropogenic emissions of greenhouse gases and climate change, and connect global climate change to specific impacts in Montana.Read More →

Legal Resource – Expert Report of Richard Heede – Asmania et al. v. Holcim

Published:July 2022

Author(s):Richard Heede

Publisher:Legal Document - Asmania et al. v. Holcim

In this report, filed in support of plaintiffs' claims, the author quantifies the CO2 emissions of Swiss company Holcim from 1950 to 2021 and the company's contributions to climate change.Read More →