The Fifth Circuit upheld an EPA rule partially approving and partially disapproving revisions to Texas' SIP concerning civil penalties for excess emissions resulting from startup, shutdown,…

A Pennsylvania appellate court partially struck down Act 13, which pertains to oil and gas operations in the Marcellus Shale, as unconstitutional. The Act repealed Pennsylvania’s Oil and Gas Act…

The Eighth Circuit held that costs a developer incurred to reduce pollution on a property it owns in Brainerd, Minnesota, that had formerly been owned by a railway company were not removal costs…

The Supreme Court of Wisconsin held that under state law, a town may not impose conditions on a livestock siting permit to protect surface and groundwater. The state legislature has strictly…

A California appellate court upheld a local air district rule that requires manufacturers of consumer paint thinner and solvent products to limit the use of ozone-forming volatile organic…

A California appellate court affirmed a lower court decision denying a petition to vacate the state wildlife board's decision to pay $9.98 million from the California Habitat Conservation…

The California Supreme Court upheld an air district's technology-forcing rules that limit certain pollution-causing substances in paints and coatings. A paint association argued that the…

The Montana Supreme Court upheld the state oil and gas board's issuance of 23 gas well permits to an oil company in the area known as the Cedar Creek Anticline, a major geologic feature that…

The U.S. Supreme Court held that a property owner may proceed with his APA suit against the United States claiming that the Secretary of the Interior lacked authority under §465 of the Indian…

A Colorado court invalidated a state license to construct and operate a uranium mill in Montrose County, Colorado. The state's environmental agency violated the APA because it failed to…