A district court permanently enjoined a California Proposition 65 warning requirement on the weedkiller glyphosate. Agribusiness groups argued the law, which requires warning labels for products containing chemicals known to California to cause cancer, as applied to glyphosate compelled speech under...

The Federal Circuit reversed a Court of Federal Claims ruling that the U.S. government was liable for flooding private properties when it raised the water level of a lake in Mississippi to prevent a nearby levee from breaching. Landowners argued that raising the water level of the lake, which subseq...

A district court ruled unconstitutional provisions of a North Carolina statute that restricted undercover investigations of facilities and farms where animal testing or processing takes place. Nonprofit groups argued that provisions of the statute violated the First Amendment because they failed the...

A district court vacated BLM's 2018 instruction memorandum (IM) and oil and gas lease sales in Montana and Wyoming issued in reliance on the IM for failing to maintain federal protections for the greater sage-grouse. Environmental groups challenged the IM and lease sales, arguing that they violated ...

The Eleventh Circuit vacated and remanded the U.S. Tax Court's decision disallowing a charitable deduction for a conservation easement over property that included a private golf course and undeveloped land. The appellate court found that the Internal Revenue Code did not disqualify an easement simpl...

Minnesota's high court upheld an appellate court ruling in favor of a county's zoning ordinance that bans all industrial-mineral mining, including silica-sand mining. A silica-sand mining company argued the ordinance violated the dormant Commerce Clause by discriminating against its business. The hi...

A district court denied summary judgment to the U.S. government in a lawsuit concerning California's cap-and-trade agreement with Quebec. The government argued the agreement violated the Treaty Clause of the U.S. Constitution because it was binding and "confederat[ed] the laws of the two jurisdictio...

The Court of Federal Claims held that the U.S. government was not liable for the flooding of homes near two dams managed by the U.S. Army Corps of Engineers in Houston during Hurricane Harvey. Property owners downstream of the dams argued that the government flooded their lands by opening the dams' ...

The D.C. Circuit dismissed a Native American tribe's petition to review a FERC order denying the tribe's motion to intervene in the Commission's proceeding over construction of a natural gas pipeline in Massachusetts. The tribe argued that, in authorizing construction of a pipeline across land that ...