The Ninth Circuit held that the CAA does not preempt a local air district's adoption and enforcement of rules regulating air emissions from diesel-powered engines. CAA §209(e) expressly prohibits states from setting "standards or other requirements relating to the control of emissions" from no...

The Tenth Circuit upheld the dismissal of an environmental group's CAA citizen suit against a power company alleging that it was attempting to build a coal-fired power plant with an invalid PSD permit. The permit provided that if construction did not commence by May 29, 2005, or if construction...

The Eighth Circuit held that the U.S. Forest Service's revised forest plan for the Superior National Forest complied with NEPA. The environmental groups that filed the suit have standing, given the immediate, concrete consequences for the recreational interests of specific visitors to the Su...

A district court held that the USDA Rural Utilities Service's (RUS') failure to prepare an EIS in connection with the expansion of a coal-fired power plant violated NEPA. RUS' involvement in the project, including financial assistance under the Rural Electrification Act, constitutes a "major fe...

A district court ordered EPA to promulgate emission standards for area source boilers, major source boilers, and commercial and institutional solid waste incineration units by February 21, 2011. In March 2006, the court ordered EPA to fulfill its statutory duties regarding the promulgation o...

The Ninth Circuit abandoned the "federal defendant" rule, which categorically prohibits private parties and state and local governments from intervening of right on the merits of NEPA claims. The case arose out of the U.S. Forest Service's adoption of a travel plan that designated 1,196 mile...

The Ninth Circuit reversed a lower court decision denying the award of attorney fees to an environmental group in their lawsuit against a town for discharging toxic pollutants into a bay in violation of the CWA. In that case, the court held that the town must apply for an NPDES permit for its harbor...

The Ninth Circuit held that BLM and the U.S. Forest Service did not violate the CWA, NEPA, or the National Forest Management Act (NFMA) in approving a proposed mine expansion project in the Caribou National Forest. After evaluating the data, the agencies determined that remediation efforts w...

The Ninth Circuit affirmed a lower court decision that the Federal Highway Administration's (FHwA's) EIS for a new ferry terminal and highway project through a national forest in Alaska violated NEPA. Improving ferry services using existing resources is a reasonable alternative for improving transpo...

The First Circuit held that the U.S. Coast Guard violated NEPA when it issued regulations that preempt state environmental law with respect to tank vessels in Buzzards Bay, Massachusetts. In promulgating the rule, the Coast Guard used a standard environmental checklist that included prompts correspo...