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Juliana v. United States

A district court denied the Biden Administration's motion to stay an ongoing climate change lawsuit brought by 21 young people. The U.S. government argued the suit must be stayed because there was a substantial likelihood the Ninth Circuit would grant its petition for mandamus. The court found the g...

United States v. U.S. District Court for the District of Oregon

The Ninth Circuit granted the Biden Administration's mandamus petition to dismiss an ongoing climate change lawsuit brought by 21 young people. Plaintiffs initially argued that the U.S. government, by failing to adequately respond to the threat of climate change, violated a "right to a stable climat...

Center for Biological Diversity v. Regan

A district court denied the state of Florida's motion for a limited stay of the court's prior ruling vacating EPA's approval of Florida's application to assume permitting authority under §404 of the CWA. Environmental groups initially sued, arguing EPA and FWS violated the ESA because neither the p...

National Wildlife Federation v. Lohr

A district court granted summary judgment for a conservation group in a challenge to the Natural Resource Conservation Service's (NRCS') 2020 rule regarding certification of maps delineating wetlands. The group argued NRCS changed its policy regarding pre-1996 wetland certifications without exercisi...

Anne Arundel, Maryland v. BP P.L.C

The Fourth Circuit affirmed a district court order remanding to state court two climate deception lawsuits against oil and gas companies. City and county governments in Maryland initially sued in state court, alleging the companies used and promoted fossil fuel products while knowing, concealing, an...

Vermont v. Exxon Mobil Corp.

A district court granted the state of Vermont's motion to remand to state court a climate misinformation suit brought against fossil fuel companies. The state initially sued in state court, arguing the companies violated the Vermont Consumer Protection Act by failing to inform consumers about the im...

Center for Biological Diversity v. Regan

A district court granted in part environmental groups' motion for summary judgment in a challenge to various agency actions relating to EPA's approval of the state of Florida's application to assume permitting authority under §404 of the CWA. The groups argued EPA and FWS violated the ESA because n...

Juliana v. United States

A district court granted in part and denied in part the federal government's motion to dismiss a second amended complaint in an ongoing civil rights lawsuit brought by 21 young people. Plaintiffs argued the government promoted the exploitation of fossil fuels despite knowing its actions would signif...

Stone v. High Mountain Mining Co., LLC

The Tenth Circuit reversed a district court finding of a CWA violation in a citizen suit brought against the operator of a gold mine in Colorado. Plaintiffs argued the operator violated the CWA because seepage from the mine's settling ponds flowed into the groundwater and then migrated to the Middle...