The Supreme Court of Kansas reversed and remanded the Kansas Department of Health and Environment's decision to issue a prevention of significant deterioration (PSD) permit to a power company to construct an 895-megawatt coal-fired power plant. An environmental group filed suit against the state age...

The Ninth Circuit, in an unpublished opinion, held that the National Marine Fisheries Service (NMFS) did not violate the Marine Mammal Protection Act (MMPA) or NEPA when it authorized Idaho, Oregon, and Washington to kill up to 85 California sea lions annually at the Bonneville Dam in order to prote...

The Eighth Circuit vacated and remanded EPA's best available retrofit technology (BART) determination for a large power plant in North Dakota, but otherwise upheld EPA's partial disapproval of two SIPs submitted by North Dakota to meet the CAA's visibility requirements as well as the Agency's federa...

A district court upheld critical habitat protections for the marbled murrelet, a small seabird found in the Pacific Northwest that nests in old-growth forests. FWS designated critical habitat for the tri-state population of marbled murrelets in 1996. In 2010, FWS determined that delisting the murrel...

The Ninth Circuit held that the California Air Resource Board (CARB) low carbon fuel standard's regulation of ethanol does not facially discriminate against out-of-state commerce. CARB treats all ethanol within each regional category the same, and its decision to draw one of the regional categories ...