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The Climate Litigation Database

Chamber of Commerce of the United States of America v. Sanchez

About this case

Filing year
2024
Status
Brief filed by amici curiae Iowa and 24 other states in support of the Chamber's application for a stay pending appeal.
Docket number
25A561
Court/admin entity
United StatesUnited States Federal CourtsU.S.
Case category
Constitutional ClaimsCommerce ClauseConstitutional ClaimsFirst AmendmentConstitutional ClaimsOther Constitutional Claims
Principal law
United StatesClean Air Act (CAA)United StatesCommerce ClauseUnited StatesFirst AmendmentUnited StatesForeign Commerce ClauseUnited StatesSupremacy Clause
At issue
Lawsuit challenging two laws enacted by California that require companies to estimate and publicly disclose greenhouse gas emissions and climate change risks.

Documents

Filing Date
Type
Action Taken
Summary
Document
11/14/2025
Amicus Motion/Brief
Brief filed by amici curiae Iowa and 24 other states in support of the Chamber's application for a stay pending appeal.
Iowa and 24 other states filed an amicus brief in support of the emergency application. They argued California was attempting to be a “national regulator” of greenhouse gas emissions and that companies across the country would be irreparably harmed if the laws were allowed to go into effect.
11/10/2025
Application
Plaintiffs filed emergency application for injunction pending appeal.

Summary

Lawsuit challenging two laws enacted by California that require companies to estimate and publicly disclose greenhouse gas emissions and climate change risks.