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...

A district court dismissed with leave to amend a class-action challenge to a medical device company for selling talcum products in California. Plaintiffs argued the company violated California consumer protection laws by failing to warn them of carcinogenic ingredients in their products and engaging...

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...

The U.S. Supreme Court upheld an appellate court ruling that an oil refining company was responsible for $140 million in damages from a 2004 oil spill in the Delaware River. The owner of the vessel involved in the spill argued that the company it chartered to deliver crude oil from Venezuela to the ...

A district court denied summary judgment to environmental groups in a challenge to the U.S. Coast Guard's approval of a contingency plan for a Michigan oil pipeline. The groups argued that the plan failed to respond to a worst-case discharge, as required by the OPA, by failing to consider the need f...

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...