The Ninth Circuit granted environmental groups' petition to review EPA's 2017 order maintaining a tolerance for the pesticide chlorpyrifos, and vacated the Agency's order. The groups argued that the Agency's need for additional scientific research was not a valid ground for maintaining a tolerance t...

A district court granted in part but largely denied in part EPA's motion to dismiss a lawsuit filed by environmental groups alleging that EPA failed to consult with federal wildlife agencies before registering over 2,000 pesticide products. The groups argued that EPA violated the ESA by failing to e...

A district court denied a pesticide manufacturer's motion to dismiss a lawsuit alleging that the label on one of its weed-killing products is false and misleading. The product's label states that it targets an enzyme "found in plants but not in people or pets." But an anti-pesticide group alleges th...

A Texas court, ruling on a petition for pre-suit discovery, held that it would have jurisdiction over a major oil corporation's potential lawsuit against several California cities that have filed suit against it relating to climate change. The company's potential claims would allege, among other thi...

A district court granted California cities' motions to remand their climate change tort actions against oil and gas companies back to state court. Although their state law claims raise national and perhaps global questions, they should not have been removed to federal court. Removal based on federal...

A district court held that public interest and environmental groups lacked standing to challenge the "two-for-one" executive order issued by President Trump on January 30, 2017. The order requires executive branch agencies to identify two existing regulations to be repealed for every new regulation,...

The Ninth Circuit vacated EPA's conditional registration of a pesticide because the Agency failed to support its requisite finding that registration was in the public interest. A pesticide manufacturer applied to register a pesticide that uses nanosilver as its active ingredient. EPA conditionally r...

A district court, on motions for summary judgment, dismissed a lawsuit against EPA filed by a group of beekeepers, farmers, and organizations concerned about the effect of pesticide-treated seeds on bees and other pollinators. The plaintiffs argued that the practice of coating seeds with neonicotino...