A district court denied business groups' motion to preliminarily enjoin two California laws that require large businesses to disclose their greenhouse gas emissions (S.B. 253) and climate-related financial risk (S.B. 261). The groups challenged the laws on First Amendment grounds.

A district court denied environmental groups' motion for summary judgment in a challenge to a 2019 EPA rule that exempted air emissions from animal waste from an EPCRA reporting requirement.

A district court granted summary judgment for cultural and environmental groups in a challenge to a letter NMFS sent to fishing permit holders informing them that commercial fishing was no longer prohibited in certain areas of the Pacific Islands Heritage Marine National Monument following a pres

A district court granted FWS' motion to vacate and remand its 2022 rule listing the northern distinct population segment (DPS) lesser prairie-chicken as threatened and the southern DPS of the species as endangered.

A district court granted an environmental group's motion for preliminary injunction in a CWA citizen suit brought against a chemical manufacturer for discharging per- and polyfluoroalkyl substances into the Ohio River.