A Wisconsin court held that the state environmental agency should have considered impacts on downstream water quality when it issued a state pollutant discharge elimination system permit to an industrial dairy processing plant. An environmental group challenged the permit, arguing that it would allo...

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 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...

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 ...

The Eighth Circuit affirmed a lower court decision that insurers had no duty to defend or indemnify an oil refinery in an underlying CERCLA lawsuit filed against it by EPA. EPA sent the refinery a letter in 2001 notifying it that it was a PRP. Because EPA's allegations in the letter arguably fell wi...

The Ninth Circuit held that an insurance company breached its duty to defend a trucking equipment company when it refused to provide a defense after the company received letters from EPA notifying it of its potential liability under CERCLA for environmental contamination at the Portland Harbor Super...

A California court issued a tentative decision upholding the California Air Resource Board's (CARB's) authority to sell greenhouse gas allowances at auction under the California Global Warming Solutions Act of 2006, also known as Assembly Bill 32 (AB 32). The court tentatively agreed that the auctio...

The Supreme Court of Washington upheld an administrative order the state environmental agency issued to a farmer, directing him to take several steps to curb pollution of a creek that runs through his property. A lower court invalidated the order, ruling that it was unsupported by substantial eviden...

The Seventh Circuit reversed a lower court decision finding a Wisconsin mine operator liable under the CWA for discharging copper into navigable waters without a permit. The CWA's permit shield provision provides that if a NPDES permit holder discharges pollutants in accordance with the terms of its...

The Third Circuit held that a PRP that entered into a consent decree resolving its state-law liability with the commonwealth of Pennsylvania in connection with contamination at an industrial facility may seek contribution under CERCLA from a second PRP. The court held that CERCLA §113(f)(3)(B) does...