A Minnesota appellate court remanded a challenge to the Minnesota Pollution Control Agency's (MPCA's) grant of an air emissions permit for a proposed copper-nickel mine in northern Minnesota. Environmental groups argued the MPCA improperly issued the permit because the company receiving it did not i...

The Ninth Circuit upheld FERC's denial of an environmental group's motion to intervene in post-licensing deadline extension proceedings for a hydroelectric project in California. The group had argued that FERC violated Rule 214 of the Commission's regulations in denying intervention and §6 of the F...

The D.C. Circuit granted in part environmental groups' petition to review EPA's 2019 rule setting annual renewable fuel volume levels under the Renewable Fuel Standard (RFS) program. The groups argued that EPA's "aggregate compliance approach" for determining whether biofuel qualifies as renewable f...