No. 25-170
Suncor Energy (U.S.A.) Inc., et al. v. County Commissioners of Boulder County, et al.
Tags: climate-change federal-law greenhouse-gas-emissions international-emissions interstate-emissions state-law-claims
Key Terms:
Environmental AdministrativeLaw SocialSecurity JusticiabilityDoctri
Environmental AdministrativeLaw SocialSecurity JusticiabilityDoctri
Latest Conference:
2026-02-20
(distributed 6 times)
Question Presented (AI Summary)
Whether federal law precludes state-law claims seeking relief for injuries allegedly caused by the effects of interstate and international greenhouse-gas emissions on the global climate
Question Presented (OCR Extract)
Whether federal law precludes state-law claims seeking relief for injuries allegedly caused by the effects of interstate and international gr eenhouse-gas emissions on the global climate. (II)
Docket Entries
2026-02-13
DISTRIBUTED for Conference of 2/20/2026.
2026-01-20
DISTRIBUTED for Conference of 1/23/2026.
2026-01-12
DISTRIBUTED for Conference of 1/16/2026.
2026-01-05
DISTRIBUTED for Conference of 1/9/2026.
2025-11-25
Reply of petitioners Suncor Energy (U.S.A.) Inc., et al. filed. (Distributed)
2025-11-25
Reply of Suncor Energy (U.S.A.) Inc., et al. submitted.
2025-11-25
DISTRIBUTED for Conference of 12/12/2025.
2025-11-10
Brief of respondents County Commissioners of Boulder County, et al. in opposition filed.
2025-11-10
Brief of Cty. Comm'rs of Boulder Cty., et al. in opposition submitted.
2025-10-09
Brief amicus curiae of National Association of Manufacturers filed.
2025-10-09
Amicus brief of The National Association of Manufacturers submitted.
2025-10-09
Amicus brief of The Chamber of Commerce of the United States of America submitted.
2025-10-09
Amicus brief of House Majority Leader Steve Scalise and 102 Other Members of Congress submitted.
2025-10-09
Amicus brief of Professor Jason Johnston submitted.
2025-10-09
Brief amicus curiae of Professor Jason Johnston filed.
2025-10-09
Brief amici curiae of House Majority Leader Steve Scalise, et al. filed.
2025-10-09
Brief amicus curiae of The National Association of Manufacturers filed.
2025-10-09
Brief amicus curiae of The Chamber of Commerce of the United States of America filed.
2025-10-09
Brief amicus curiae of Chamber of Commerce of the United States of America filed.
2025-09-26
Brief amici curiae of Alabama, et al. filed.
2025-09-26
Amicus brief of State of Alabama and 25 Other States submitted.
2025-09-25
Motion to extend the time to file a response is granted and the time is extended to and including November 10, 2025.
2025-09-24
Motion to extend the time to file a response from October 9, 2025 to November 10, 2025, submitted to The Clerk.
2025-09-24
Motion of Cty. Comm'rs of Boulder Cty., et al. for an extension of time submitted.
2025-09-15
Brief amicus curiae of American Petroleum Institute filed.
2025-09-15
Amicus brief of American Petroleum Institute submitted.
2025-09-12
Brief amicus curiae of American Tort Reform Association filed.
2025-09-12
Amicus brief of American Tort Reform Association submitted.
2025-09-11
Brief amici curiae of Frontier Institute, et al. filed.
2025-09-11
Amicus brief of Atlantic Legal Foundation, Washington Legal Foundation, and Federation of Defense & Corporate Counsel submitted.
2025-09-11
Amicus brief of Frontier Institute, Independence Institute, Pelican Institute, and Manhattan Institute submitted.
2025-09-11
Amicus brief of Professor Richard Epstein and Professor John Yoo submitted.
2025-09-11
Amicus brief of United States submitted.
2025-09-11
Brief amicus curiae of United States filed.
2025-09-11
Brief amici curiae of Atlantic Legal Foundation, et al. filed.
2025-09-11
Brief amici curiae of Professor Richard Epstein, et al. filed.
2025-09-09
Response Requested. (Due October 9, 2025)
2025-09-05
Brief amici curiae of General (Retired) Richard B. Myers, et al. filed.
2025-09-05
Amicus brief of General (Retired) Richard B. Myers and Admiral (Retired) Michael G. Mullen submitted.
2025-09-04
Letter of Suncor Energy (U.S.A.) Inc., et al. submitted.
2025-09-04
Letter received from Suncor Energy (U.S.A.) Inc., et al.
2025-09-03
DISTRIBUTED for Conference of 9/29/2025.
2025-08-28
Waiver of right of respondent Cty. Comm'rs of Boulder Cty., et al. to respond filed.
2025-08-08
Petition for a writ of certiorari filed. (Response due September 11, 2025)
Attorneys
American Petroleum Institute
Mark Andrew Perry — Weil, Gotshal & Manges, LLP, Amicus
Mark Andrew Perry — Weil, Gotshal & Manges, LLP, Amicus
American Tort Reform Association
Cary Silverman — Shook, Hardy and Bacon LLP, Amicus
Cary Silverman — Shook, Hardy and Bacon LLP, Amicus
Atlantic Legal Foundation, Washington Legal Foundation, and Federation of Defense & Corporate Counsel
Lawrence S. Ebner — Atlantic Legal Foundation, Amicus
Lawrence S. Ebner — Atlantic Legal Foundation, Amicus
Cty. Comm'rs of Boulder Cty., et al.
Kevin K. Russell — Russell & Woofter LLC, Respondent
Kevin K. Russell — Russell & Woofter LLC, Respondent
Marco Benjamin Simons — Law Office of Marco B. Simons, Respondent
Marco Benjamin Simons — Law Office of Marco B. Simons, Respondent
Frontier Institute, Independence Institute, Pelican Institute, and Manhattan Institute
Ilya Shapiro — Manhattan Institute, Amicus
Ilya Shapiro — Manhattan Institute, Amicus
General (Retired) Richard B. Myers and Admiral (Retired) Michael G. Mullen
Tristan L. Duncan — Shook, Hardy & Bacon, Amicus
Tristan L. Duncan — Shook, Hardy & Bacon, Amicus
House Majority Leader Steve Scalise and 102 Other Members of Congress
Jared Michael Kelson — Boyden Gray PLLC, Amicus
Jared Michael Kelson — Boyden Gray PLLC, Amicus
Professor Jason Johnston
Ryan Joseph Walsh — Eimer Stahl LLP, Amicus
Ryan Joseph Walsh — Eimer Stahl LLP, Amicus
Professor Richard Epstein and Professor John Yoo
State of Alabama and 25 Other States
Suncor Energy (U.S.A.) Inc., et al.
The Chamber of Commerce of the United States of America
William McGinley Jay — Goodwin Procter LLP, Amicus
William McGinley Jay — Goodwin Procter LLP, Amicus
The National Association of Manufacturers
Philip S. Goldberg — Shook Hardy & Bacon LLP, Amicus
Philip S. Goldberg — Shook Hardy & Bacon LLP, Amicus
United States
Curtis E. Gannon — Deputy Solicitor General, Amicus
Sarah Michelle Harris — Department of Justice, Amicus
Sarah Michelle Harris — Department of Justice, Amicus