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...

A California appellate court affirmed in part and reversed in part a trial court's summary adjudication in favor of the property owners in their dispute with a citizen's group over the use of a road, parking area, and the inland dry sand of a popular beach. There is no disagreement that the defendan...