The Ninth Circuit granted in part one petition to review and denied another petition to review EPA's 2014, 2015, and 2017 decisions to register a pesticide that combines two chemicals—2,4-dichlorophenoxyacetic acid (2,4-D) choline salt and glyphosate—to kill weeds on corn, soybean, and cotton fi...

A district court vacated the Trump Administration's rescission of the Obama Administration's Waste Prevention Rule, which was enacted to reduce methane waste from oil and gas operations on public and tribal lands. California, New Mexico, and environmental groups argued the rescission violated the AP...

The U.S. Supreme Court held, 7-2, that the Forest Service had authority under the Mineral Leasing Act (MLA) to issue a special use permit that granted a right-of-way for a segment of a natural gas pipeline to be constructed beneath the Appalachian Trail in George Washington National Forest. Environm...

The Ninth Circuit vacated EPA's 2018 decision to conditionally register three dicamba-based herbicides designed to be sprayed on genetically engineered soybeans and cotton. Nonprofit groups argued the decision violated the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA). The court found ...

A district court granted summary judgment for the Forest Service in a challenge against its determination that a mining company had "valid existing rights" (VER) at a uranium mine in the Kaibab National Forest when DOI withdrew public lands around the Grand Canyon from new mining claims. A Native Am...

The Ninth Circuit ordered EPA to respond to a petition requesting that the Agency end the use of the pesticide tetrachlorvinphos (TCVP) in household pet products. An environmental group submitted an administrative petition to cancel the registration of TCVP in 2009, following a peer-reviewed study t...

A district court upheld DOI's renewal of two mineral leases that had previously been rejected for a copper-nickel mine in Superior National Forest. Businesses and environmental groups argued that DOI's authority to reconsider its decision to renew was limited to ministerial or inadvertent errors, an...

A district court dismissed constitutional challenges to Colorado's forced pooling statute, under which property owners were required to allow oil and gas companies to extract their minerals. A group of property owners argued the statute violated the First Amendment by requiring non-consenting owners...