The Tenth Circuit upheld an EPA rule in which it rejected Oklahoma's regional haze plan to limit sulfur dioxide emissions at electric utility power plants and replaced it with its own more stringent regulations via a federal implementation plan (FIP). Petitioners—the state of Oklahoma, the utility...

The Tenth Circuit affirmed an EPA order denying an environmental group's petition to object to a CAA Title V operating permit for a coal-fired power station in Colorado. In its petition for an objection, the group argued that the permit needed to include a plan to bring the power station into compli...

The Seventh Circuit held that the statute of limitations bars EPA's and Illinois' CAA suit against a power company for failing to obtain preconstruction permits and to use best available control technology (BACT) at five coal-fired power plants that were modified prior to it acquiring them in 1999. ...

A district court held unlawful BLM's methodology for assessing the impact of federal actions on the northern spotted owl as well as its failure to offer for sale a declared amount of timber from two western Oregon districts. Under the Oregon and California Lands Act of 1937 (O&C Act), once BLM d...

A district court granted environmental groups' motion to intervene in a landowner's lawsuit challenging FWS' critical habitat designation for the dusky gopher frog in portions of Louisiana and Mississippi. The landowner, who owns property that falls within the designation, argued that the designatio...