Sierra Club, et al. v. United States Environmental Protection Agency, et al.
| SIERRA CLUB, CENTER FOR BIOLOGICAL DIVERSITY, NATURAL RESOURCES DEFENSE COUNCIL, INC. and PUBLIC EMPLOYEES FOR ENVIRONMENTAL RESPONSIBILITY |
| UNITED STATES ENVIRONMENTAL PROTECTION AGENCY, LEE ZELDIN, in his official capacity as U.S. Environmental Protection Agency Administrator and MICHAEL MARTUCCI, in his official capacity as Acting Regional Administrator for EPA Region IX |
| MARICOPA ASSOCIATION OF GOVERNMENTS and ARIZONA CHAMBER OF COMMERCE & INDUSTRY |
| 26-3330 |
| May 22, 2026 |
| U.S. Court of Appeals, Ninth Circuit |
| Other |
Docket Report
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This docket was last retrieved on July 20, 2026. A more recent docket listing may be available from PACER.
| Document Text |
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| Filing 22 MOTION to Extend Time to File Brief filed by Petitioner Sierra Club. [Entered: 07/20/2026 07:38 AM] |
Filing 21
ORDER FILED. The motions (Docket Entry Nos. 9 & 11) to intervene are granted. The opening brief is due August 10, 2026. The answering brief is due September 9, 2026. The intervenors briefs are due October 9, 2026. The optional reply brief is due 21 days after the last served intervenors brief. [Entered: 07/08/2026 09:21 AM]
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| Filing 20 RESPONSE to Motion to Intervene (DE 11) filed by Petitioner Sierra Club. [Entered: 06/26/2026 11:19 AM] |
| Filing 19 RESPONSE to Motion to Intervene (DE 9) filed by Petitioner Sierra Club. [Entered: 06/26/2026 11:18 AM] |
| Filing 18 CERTIFIED LIST OF AGENCY RECORD filed by Respondent United States Environmental Protection Agency, Respondent Lee Zeldin, Respondent Michael Martucci. [Entered: 06/24/2026 08:20 AM] |
| Filing 17 ADDED Counsel for Intervenor - Pending Elizabeth Boucher Dawson [Entered: 06/23/2026 09:01 AM] |
| Filing 16 ADDED Intervenor - Pending Arizona Chamber of Commerce & Industry. [Entered: 06/23/2026 08:30 AM] |
| Filing 15 DEFECTIVE --- DISCLOSURE STATEMENT pursuant to FRAP 26.1 and CR 26.1-1 filed by Intervenor - Pending Maricopa Association of Governments. [Duplicate filing, correct entry is DE 14.] [Entered: 06/22/2026 05:50 PM] [Edited: 06/23/2026 09:13 AM] |
| Filing 14 DISCLOSURE STATEMENT pursuant to FRAP 26.1 and CR 26.1-1 filed by Intervenor - Pending Maricopa Association of Governments. [Entered: 06/22/2026 05:33 PM] |
| Filing 13 DEFECTIVE --- SUPPLEMENT to Motion to Intervene (DE 9) filed by Intervenor - Pending Maricopa Association of Governments. [Wrong filing type, correct entry is DE 14.] [Entered: 06/22/2026 05:28 PM] [Edited: 06/23/2026 09:13 AM] |
| Filing 12 NOTICE OF APPEARANCE by Elizabeth Boucher Dawson for Intervenor - Pending Maricopa Association of Governments. [Entered: 06/22/2026 05:15 PM] |
| Filing 11 MOTION to Intervene filed by Arizona Chamber of Commerce & Industry. [Entered: 06/22/2026 02:30 PM] |
| Filing 10 ADDED Intervenor - Pending Maricopa Association of Governments. [Entered: 06/18/2026 11:58 AM] |
| Filing 9 MOTION to Intervene filed by Maricopa Association of Governments. [Entered: 06/18/2026 10:18 AM] |
| Filing 8 Attorney Brandon N. Adkins as Counsel for Respondent substituted for Attorney Sonya Shea. [Entered: 06/15/2026 09:25 AM] |
| Filing 7 NOTICE OF APPEARANCE by Brandon N. Adkins for Respondent Lee Zeldin, Respondent Michael Martucci, Respondent United States Environmental Protection Agency replacing Sonya Shea. [Entered: 06/15/2026 09:22 AM] |
| Filing 6 DISCLOSURE STATEMENT pursuant to FRAP 26.1 and CR 26.1-1 filed by Petitioner Sierra Club. [Entered: 06/04/2026 03:14 PM] |
| Filing 5 RELEASED FROM MEDIATION (text only). This case is released from the Mediation Program. Counsel are requested to contact the Circuit Mediator should circumstances develop that warrant settlement discussions. The briefing schedule previously set by the court remains in effect. [Entered: 05/28/2026 04:46 PM] |
| Filing 4 MEDIATION QUESTIONNAIRE filed by Petitioner Sierra Club. To submit pertinent confidential information directly to the Circuit Mediators, please email #[email protected] and include the case name and number in the subject line. Confidential submissions may include any information relevant to mediation of the case and settlement potential, including, but not limited to, settlement history, ongoing or potential settlement discussions, non-litigated party related issues, other pending actions, and timing considerations that may impact mediation efforts. [Entered: 05/27/2026 10:57 AM] |
| Filing 3 SCHEDULE NOTICE. Mediation Questionnaire due (Petitioner) 5/27/2026, Respondent Answering Brief due (Respondent) 9/9/2026, Petitioner Opening Brief due (Petitioner) 8/10/2026. All briefs shall be served and filed pursuant to FRAP 31 and 9th Cir. R. 31-2.1. Failure of the petitioner to comply with this briefing schedule will result in automatic dismissal of the appeal. See 9th Cir. R. 42-1 [Entered: 05/22/2026 03:08 PM] |
| Filing 2 CASE OPENED. Petition for Review has been received in the Clerk's office of the United States Court of Appeals for the Ninth Circuit on 5/22/2026. The U.S. Court of Appeals docket number 26-3330 has been assigned to this case. All communications with the court must indicate this Court of Appeals docket number. Please carefully review the docket to ensure the name(s) and contact information are correct. It is your responsibility to alert the court if your contact information changes. Resources Available For more information about case processing and to assist you in preparing your brief, please review the Case Opening Information (for #attorneys and #pro se litigants) and review the #Appellate Practice Guide. Attorneys should consider contacting the court's #Appellate Mentoring Program for help with the brief and argument. [Entered: 05/22/2026 03:06 PM] |
| Filing 1 PETITION FOR REVIEW filed by Petitioner Center for Biological Diversity, Petitioner Natural Resources Defense Council, Inc., Petitioner Public Employees for Environmental Responsibility, Petitioner Sierra Club. [Entered: 05/22/2026 03:04 PM] |
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