The D.C. Circuit dismissed a challenge to a 2018 EPA memo that interpreted §112 of the CAA to mean that major sources of toxic emissions could reclassify to area sources and thereby ease their regulatory obligations. California and environmental groups argued that EPA failed to provide notice and c...

In an unpublished opinion, a state appellate court upheld the Minnesota Department of Natural Resources' rules under which the permit for a copper-nickel-platinum mine was issued. Environmental groups challenged the rules, asserting that they were constitutionally vague and unenforceable. The court ...