The Ninth Circuit affirmed a lower court decision rejecting claims that the National Marine Fisheries Service (NMFS) violated the ESA when it placed commercial fishing restrictions on sub-regions of the Pacific Ocean inhabited by the endangered western distinct population segment of Stellar sea lion...

The D.C. Circuit denied states' and industry groups' petitions challenging EPA rules establishing CAA permitting requirements in states that do not have implementation plans for greenhouse gases. The rules were designed to ensure that a permitting authority was available to issue the required greenh...

A California appellate court held that the California Air Resources Board (CARB) violated the California APA and the California Environmental Quality Act (CEQA) when it adopted its Low Carbon Fuel Standards (LCFS) regulations to reduce the carbon content of transportation fuels sold, supplied, or of...

The D.C. Circuit vacated an EPA rule that deferred regulation of biogenic carbon dioxide—non-fossil-fuel carbon dioxide sources such as ethanol—for three years. Although the "Deferral Rule" is a temporary regulation, it functions, in effect, as a permanent exemption from the PSD permitting requi...