A district court granted EPA's and OMB's motion to dismiss a challenge brought by California youth against certain agency policies for allegedly undervaluing the lives of children in cost-benefit analyses and thus harming them by failing to resolve the climate crisis. The youth argued the policies v...

A district court granted the state of California's motion to dismiss a challenge to two California laws—SB 253, Climate Corporate Data Accountability Act, and SB 261, Greenhouse Gases: Climate-Related Financial Risk—that require large businesses to publicly disclose their greenhouse gas emission...

The Montana Supreme Court affirmed a trial court ruling that declared the Montana Environmental Policy Act (MEPA) violated youths' state constitutional right to a "clean and healthful environment." The youths argued a provision of MEPA that precluded analysis of greenhouse gas emissions in EAs and E...

The Hawaii Supreme Court held that greenhouse gases (GHGs) were "pollutants" under several insurance policies' pollution exclusions and that an "accident" included an insured's reckless conduct for purposes of a challenge against fossil fuel companies for climate change-related harms. The city and c...

The Ninth Circuit denied a motion for rehearing or reconsideration en banc of its mandamus order in a climate liability suit brought by 21 young people against the U.S. government.
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A district court granted in part and denied in part an outdoor recreation group's motion to preliminarily enjoin the National Park Service's (NPS') regulations governing commercial filming on public lands. The group argued the regulations' land use fee and permitting requirements violated the First ...

A district court adopted a magistrate judge's findings and recommendations to remand to state court a climate liability lawsuit brought by an Oregon county against oil and gas companies. The county initially sued in state court, arguing the companies failed to warn consumers about the negative effec...

The Fifth Circuit affirmed dismissal of a constitutional challenge brought by a pipeline company concerning a 1949 permit a local levee board granted to the company to construct and maintain two pipelines across a levee in Mayersville, Mississippi. The company argued the board violated the Contracts...

A district court granted New York City's motion to remand to state court a climate deception lawsuit brought against fossil fuel companies. The city initially sued the companies in state court, arguing they violated the city's consumer protection law by misleading consumers about the impact of their...

A district court granted EPA's motion to dismiss for lack of redressability a climate liability lawsuit brought by a group of minors in California. The plaintiffs argued EPA violated their constitutional rights by intentionally allowing dangerous levels of pollution to enter the atmosphere from sour...