The court holds that the U.S. Environmental Protection Agency (EPA) has the power under the Clean Air Act (CAA) to adopt de minimis exemptions for sources of pollution from particulate matter having an aerodynamic diameter of 10 microns or less (PM[10]) from the new source review (NSR) program in a ...

The court holds that the National Marine Fisheries Service (NMFS) acted arbitrarily and capriciously in concluding that proposed timber sales were not likely to jeopardize the continued existence of the Umpqua River cutthroat trout and the Oregon Coast coho salmon. The court first holds that the tri...

The court remands two aspects of a final U.S. Environmental Protection Agency (EPA) rule that requires many nitrogen oxide-emitting facilities in several midwestern and southeastern states to conform to emission limits set by EPA and to participate in an emissions trading program. Petitioners challe...

The court remands three portions of technical amendments the U.S. Environmental Protection Agency (EPA) made to its nitrogen oxide (NOx) state implementation plan (SIP) call rulemaking that revised the database used to establish state budgets for NOx emissions. The court first holds that the growth ...

The court denies a petition to review the U.S. Environmental Protection Agency's (EPA's) approval of a revision to Missouri's Clean Air Act (CAA) state implementation plan that included a rate of progress (ROP) plan for reducing volatile organic compound (VOC) emissions in the St. Louis moderate ozo...

The court affirms a district court dismissal of an environmental group's suit against the U.S. Fish and Wildlife Service (FWS) for failing to reinitiate consultation regarding an incidental take permit issued to a timber company under the Endangered Species Act (ESA). The incidental take permit allo...

The court holds that the National Marine Fisheries Service (NMFS) adequately assessed whether implementation of a bottomfish fishery management plan (FMP) for the Northwest Hawaiian Islands would jeopardize the continued existence of the endangered monk seal. The district court originally held that ...

The court denies an engine manufacturer's petition to review the U.S. Environmental Protection Agency's (EPA's) Clean Air Act (CAA) Phase 2 emissions standards for new nonroad spark-ignition handheld engines. The court first holds that the record shows that EPA complied with CAA §213(a)(3) and reas...

The court denies environmental groups' motion for a preliminary injunction requiring the U.S. Army Corps of Engineers' management of a Florida water project to comply with certain provisions of a U.S. Fish and Wildlife Service (FWS)-issued reasonable and prudent alternative (RPA) that would allegedl...

The court dismisses on motions for summary judgment a fishing association's claims against the Secretary of Commerce challenging the National Marine Fisheries Service's (NMFS') 2001 summer flounder quotas and summer flounder fishery management plan (FMP) regulations. The court first holds that the a...