The D.C. Circuit, in an unpublished opinion, upheld a lower court's grant of summary judgment in favor of the Bureau of Safety and Environmental Enforcement (BSEE) after it ordered an energy company to permanently plug and abandon one of its natural gas wells off the coast of California. The company...

The Supreme Court of Colorado held that state law preempts a city's five-year moratorium on hydraulic fracturing and waste disposal within city limits. Although the Colorado Constitution recognizes the sovereignty of "home rule cities," allowing home rule cities to regulate matters of local concern,...

The Supreme Court of Colorado held that state law preempts a city's ban on hydraulic fracturing and waste disposal within city limits. The Colorado Constitution recognizes the sovereignty of "home rule cities," meaning that in matters of local concern, a home-rule ordinance supersedes a conflicting ...

The Supreme Court of Texas held that the Texas Clean Air Act and the Act’s enforcement mechanisms in the Texas Water Code preempt a Houston air-quality ordinance. The Houston ordinance’s enforcement provisions are inconsistent with the statutory enforcement requirements. The ordinance allows cri...