A district court granted environmental groups' request to compel the U.S. Chemical and Safety Hazard Investigation Board to promulgate regulations concerning accidental chemical releases. The groups argued that the Board's failure to implement reporting regulations in the 27 years since Congress ame...

A state court upheld the North Dakota Department of Health's decision to issue an air quality permit for construction of an oil refinery less than three miles from Theodore Roosevelt National Park. Environmental groups argued that the Department's decision to issue a synthetic minor source permit ra...

A district court denied EPA's motion to dismiss a lawsuit brought by several states alleging that the Agency failed to implement and enforce its 2016 Emission Guidelines and Compliance Times for Municipal Solid Waste Landfills. The Agency argued that the CAA did not unequivocally waive sovereign imm...