Youth seek to block EPA repeal of climate endangerment finding

By Alex Guillén | 05/21/2026 06:41 AM EDT

Leaving the repeal in place while litigation plays out would mean almost an additional gigaton of carbon dioxide emissions, the youth argue.

Traffic moves along the 91 Freeway.

Less efficient cars sold during litigation if the repeal is not stayed could total an additional 942.2 million metric tons of carbon dioxide, the youth argue. Jae C. Hong/AP

A group of youth challenging EPA’s endangerment finding repeal have asked a federal court to issue a stay that would immediately block it, effectively reinstating vehicle emission rules in the meantime.

Reverting to the existing emission rules while the legal challenge plays out would prevent almost a billion metric tons of carbon dioxide from being emitted, the youth argue.

But their request could invite early Supreme Court intervention, which may give the Trump administration an early win in the case if the justices conclude the challenges are not likely to succeed.

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The environmental groups and Democrat-controlled states also challenging the rule had not yet moved for a stay, and are staying out of the youth request.

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