A district court issued a preliminary injunction enjoining California from enforcing Proposition 65’s carcinogenicity warning requirement for glyphosate. On the evidence before the court, the required warning for glyphosate does not appear to be factually accurate and uncontroversial because it co...

A district court held that EPA's year-long delay in implementing formaldehyde emission standards for domestically manufactured and imported composite wood products violated the Formaldehyde Standards in Composite Wood Products Act. The Act required EPA to issue implementing regulations no later than...

The Tenth Circuit ruled that an Oklahoma citizen has no claim against an oil company on allegations that his cancer was caused by decades of breathing benzene fumes from its oil refinery near his home. In 2011, the man was diagnosed with multiple myeloma. In 2016, he brought suit against the oil com...

A Pennsylvania court affirmed a lower court decision dismissing residents' and an environmental group's lawsuit challenging the construction of a natural gas pipeline through a suburban township. The plaintiffs argued that a local zoning ordinance prohibits the construction of hazardous gas and liqu...

The First Circuit held that a pesticide company is not liable for cleaning up PCB-laden caulk installed in a Massachusetts middle school in the 1960s. Before August 1970, the pesticide company sold PCB mixtures to formulators of building materials, who then incorporated them into various end product...

A district court held that an energy company must follow additional safety measures operating the Dakota Access pipeline while the environmental impacts of the project are being studied. In an earlier decision, the court held that the Dakota Access pipeline could continue to operate while the Army C...