A district court granted in part and denied in part environmental groups' motion for summary judgment in a challenge to EPA's approval of an Oklahoma program regulating the disposal of coal combustion residuals. The groups argued that EPA failed to perform its statutory duty under RCRA to develop an...

A district court upheld DOI's renewal of two mineral leases that had previously been rejected for a copper-nickel mine in Superior National Forest. Businesses and environmental groups argued that DOI's authority to reconsider its decision to renew was limited to ministerial or inadvertent errors, an...

A district court dismissed constitutional challenges to Colorado's forced pooling statute, under which property owners were required to allow oil and gas companies to extract their minerals. A group of property owners argued the statute violated the First Amendment by requiring non-consenting owners...

In a partially published opinion, a state appellate court set aside Kern County's approval of an ordinance amendment proposed by oil and gas industry groups to streamline the permitting process for new oil and gas wells. Environmental groups, community groups, and a local farm argued that the enviro...