The D.C. Circuit upheld EPA's decision not to issue financial responsibility requirements for the hard-rock mining industry. Environmental groups argued the decision violated CERCLA by wrongly interpreting the term "risk" in the operative provisions as limited to the risk of taxpayer-funded response...

The D.C. Circuit upheld an EPA rule that classified as "recycled" certain hazardous material sent to a third-party reclamation facility and thus exempted the material from RCRA regulations governing discarded waste. Environmental groups argued the rule violated RCRA because material that a generator...

A federal district court granted the city of Baltimore's motion to remand to state court its climate change case against oil companies. The city alleged it sustained climate change-related injuries from greenhouse gas pollution to which the companies had substantially contributed. The companies argu...

The Ninth Circuit reversed a district court's dismissal of a challenge to the use of lead ammunition in Kaibab National Forest. Environmental groups sought to require the U.S. Forest Service to address the use of lead ammunition by hunters in the national forest, alleging the the Service's failure t...