The Sixth Circuit dismissed a miner's petition for writ of mandamus directing the Secretary of Labor to promulgate lower limits for the mount of dust and silica allowed in the air in mines. The Federal Mine Safety and Health Act of 1977 authorizes the Secretary to promulgate mandatory air quality st...

A district court granted in part and denied in part the motion of the Mine Safety and Health Administration (MSHA) to dismiss a mine operator’s action relating to the MSHA’s use of a citation quota, which allegedly caused mine inspectors to issue baseless citations to the operator. As a ...

A district court granted in part and denied in part the United States' motion to dismiss citizen groups’ claims challenging the approval of certain quarterly oil and gas lease sales under, among other things, the APA, FLPMA, the Mineral Lands Leasing Act (MLLA), the National Forest Management ...

The D.C. Circuit denied industry groups’ petition for review of a Mine Safety and Health Administration (MSHA) decision to enforce a final exposure limit standard for exposure of miners in metal and non-metal underground mines to diesel particulate matter (DPM) in diesel exhaust. This decision...

A district court entered judgment for the Tennessee Valley Authority (TVA) with respect to environmental groups’ claims that the TVA violated the CAA and the Tennessee SIP in its operation of a fossil fuel-fired electricity generating facility. The groups argued that two projects, the economiz...

The Ninth Circuit affirmed in part and vacated in part a lower court decision related to the United States’ effort to recoup under the Fallon Paiute Shoshone Indian Tribes Water Rights Settlement Act of 1990 (Settlement Act) excess diversions of water that an irrigation district permitted over man...

The Ninth Circuit held that the U.S. Environmental Protection Agency (EPA) did not act arbitrarily, capriciously, or contrary to law when it granted Nevada's request to split one of its clean air areas into two. Contrary to an environmental group's claim, the presence and operation of a mine in the ...

The court vacated a lower court order denying environmental groups' motion for attorneys fees in an underlying case challenging a surface mining operation permit. In that case, the groups sought, and eventually obtained, a writ of mandamus setting aside the permit. Pursuant to California Code of Civ...

The court remanded portions of a 2002 U.S. Environmental Protection Agency (EPA) rule interpreting when a major stationary source undertakes a "modification," thereby triggering the Clean Air Act's new source review (NSR) requirements. EPA erred in promulgating the clean unit applicability test, whi...

The court affirms a district court's grant of summary judgment to the Tennessee Valley Authority (TVA) on environmental groups' request for civil penalties and on its claim as to violations of the Clean Air Act's (CAA's) 20% opacity limitation occurring before May 20, 1999, but it reversed summary j...