Suncor Energy (U.S.A.) Inc. v. Commissioners of Boulder County

Suncor Energy (U.S.A.) Inc. v. Commissioners of Boulder County, No. 25-170 Argued on Oct 05 2026. For petitioners: Kannon K. Shanmugam, Washington, D. C.; and Sarah M. Harris, Principal Deputy Solicitor General, Department of Justice, Washington, D. C. (for United States, as amicus curiae.) For respondents: Kevin K. Russell, Washington, D. C. Question Presented: BY THE PETITION, THE PARTIES ARE DIRECTED TO BRIEF AND ARGUE THE FOLLOWING QUESTION: WHETHER THIS COURT HAS STATUTORY AND ARTICLE III JURISDICTION TO HEAR THIS CASE. SEPTEMBER 28, 2026: JUSTICE ALITO WILL NOT CONTINUE TO PARTICIPATE IN THIS CASE. CERT. GRANTED 2/23/2026 QUESTION PRESENTED: 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. Oral Argument Links: SCOTUS Oral Argument Page Transcript PDF Docket Links: SCOTUS Docket Page Question Presented Petition for a Writ of Certiorari (White Br.) Brief in Opposition (Orange Br.) Reply Brief in Support of Petition (Tan Br.) Cert. Stage Brief of the United States (Green Br.) Petitioner's Brief on the Merits (Blue Br.) Merits Stage Brief of the United States (Green Br.) Respondent's Brief on the Merits (Red Br.) Petitioner's Reply Brief on the Merits (Yellow Br.) Chapters: (00:00:00) Case Call (00:00:07) ORAL ARGUMENT OF KANNON K. SHANMUGAM (00:51:26) ORAL ARGUMENT OF SARAH M. HARRIS (01:11:34) ORAL ARGUMENT OF KEVIN K. RUSSELL (01:43:42) REBUTTAL ARGUMENT OF KANNON K. SHANMUGAM Disclosure, Disclaimer, and Credits: Independent feed. NOT affiliated with the Supreme Court of the United States or any other entity. Audio files from and links to the Supreme Court of the United States' website. Image credit to Ian Hutchinson, https://unsplash.com/photos/U8WfiRpsQ7Y