The primary standards for carbon monoxide have remained the same since 1971. There has not been a secondary standard for carbon monoxide since EPA revoked a secondary standard in 1985. In 2007, EPA began reviewing whether to alter the current primary standards and whether to adopt a secondary ...

A district court dismissed environmental groups' claims that BLM violated NEPA when it approved a plan for developing a coal bed natural gas lease in an area of Wyoming's Powder River Basin as well as amendments to the applicable resource management plan for the area. The groups claimed that BLM aba...

A district court held that environmental groups' NEPA and FLPMA claims against BLM in connection with its decision to lease two coal tracts in Wyoming's Powder River Basin lack merit. The groups alleged that BLM violated the statutes because the agency failed to adequately consider the impacts on lo...

A district court, in a memorandum opinion, dismissed environmental groups' lawsuit against the Bureau of Ocean Energy Management (BOEM) and the National Marine Fisheries Service (NMFS) for APA, NEPA, and ESA violations in connection with two lease sales in the area where the Deepwater Horizon spill ...

A district court held that the CAA does not preempt landowners' state common-law tort claims against a whiskey distillery for property damage. The landowners alleged that emissions from the distillery caused "whisky fungus" to grow on their property. The distillery filed a motion to dismiss, arguing...

A district court dismissed an environmental group's CAA citizens suit against EPA for failing to make a finding that Idaho and Utah failed to timely submit SIPs for fine particulate matter (PM2.5). In 2007, EPA issued a rule that required states to submit their SIPs for PM2.5 within three years afte...