The Seventh Circuit upheld a dredge and fill permit issued by the U.S. Army Corps of Engineers for a highway project that crosses wetlands in Indiana. The Corps adequately considered practicable alternatives when it issued the permit. Although the Corps has an independent responsibility to enforce t...

The Ninth Circuit reversed a lower court decision dismissing a conservation group's CWA citizen suit alleging that a scrap metal company violated California's general NPDES permit for industrial stormwater at three of its scrap recycling facilities. The lower court dismissed the case, holding that C...

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...

The Sixth Circuit vacated a U.S. Environmental Protection Agency (EPA) rule exempting from the Clean Water Act's (CWA's) national pollutant discharge elimination system (NPDES) permitting requirements pesticides applied in accordance with the Federal Insecticide, Fungicide, and Rodenticide Act. The ...

A district court dismissed environmental groups' claims that BLM failed to adequately consider climate change, global warming, and greenhouse gases (GHGs) in violation of NEPA before it approved oil and gas leases on federal land in Montana in 2008 and 2010. The groups argued that BLM's failure to f...

The U.S. Supreme Court struck down portions of the Los Angeles port's "Clean Truck Program," which was designed in part to reduce emissions related to port operations, including emissions from trucks. The concession agreements implementing the plan set forth a number of provisions covering, among ot...