The court affirms a district court holding that an oil producers association contesting the U.S. Department of the Interior's (DOI's) take-or-pay royalties policy failed to challenge a…

The court reverses a district court decision dismissing on summary judgment a property owner's Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) claim against…

The court holds that the Nuclear Regulatory Commission's (NRC's) regulatory definition of the term "meeting" for purposes of the Government in the Sunshine Act neither…

The court holds that U.S. Environmental Protection Agency (EPA) regulations limiting the content of volatile organic compounds (VOCs) in architectural coatings and paints under the Clean Air Act (…

The court largely upholds a U.S. Environmental Protection Agency (EPA) rule mandating that 22 states and the District of Columbia revise their state implementation plans (SIPs) to mitigate ozone…

The court finds that a U.S. Forest Service letter enforcing a decision to close certain areas of Lolo National Forest to motorized use did not constitute final agency action subject to review…

The court holds that a pharmaceutical company that sold unused chemicals to a vitamin manufacturing facility is not a party liable for contribution under the Comprehensive Environmental Response,…

The court holds that a district court did not have jurisdiction to review a dispute about language in a U.S. Environmental Protection Agency (EPA) consent decree approving a proposed cleanup plan…

The court upholds the Research and Special Programs Administration's (RSPA's) final emergency discharge control rule for cargo tank motor vehicles and its interpretation of the…

The court dismisses environmental groups' motion to enjoin the sale of a former bus depot in the South Bronx, New York. The sale is part of a plan to develop a former rail yard adjacent to…