The Fifth Circuit held that an energy company's current and ongoing construction of a coal-fired power plant, for which no maximum achievable control technology (MACT) determination has ever been made, violates CAA §112(g). In ordinary circumstances, there would be no question as to whether...

The Ninth Circuit affirmed a lower court order denying an environmental group's motion to preliminarily enjoin the U.S. Forest Service from conducting post-wildfire logging in the Plumas National Forest. The group argued that the Forest Service violated the NFMA because it failed to ensure the viabi...

The D.C. Circuit denied medical waste trade associations' petition for review challenging EPA's performance standards for new and existing hospital/medical/infectious waste incinerators (HMIWI). The associations argued that the data set EPA used to establish the standards was flawed. But EPA's ...

A district court held that the U.S. Forest Service's Public Wheeled Motorized Travel Management Decision for the Eldorado National Forest violated the ESA and the National Forest Management Act. The decision designates specific roads and trails within the forest as open to public motor vehicle ...

The Seventh Circuit denied environmental groups' petitions challenging EPA's approval of revisions to Wisconsin's new source review program. In 2002, EPA changed the rules that determine when polluters need permits in order to modify existing facilities—and, if they need permits, what restrictions...

The Ninth Circuit affirmed in part and vacated in part a lower court decision largely granting summary judgment in favor of the U.S. Forest Service on environmental groups' and California's NEPA and NFMA claims challenging the agency's 2004 Sierra Nevada forest plan amendment and a timber harve...

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...

A district court reinstated the roadless area conservation rule to the Tongass National Forest in southeast Alaska. The court previously ruled on motions for summary judgment that a U.S. Forest Service rule exempting the Tongass from the roadless rule's prohibitions was arbitrary and capricious. ...

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...