A district court granted oil companies' motion to dismiss a lawsuit brought by the cities of Oakland and San Francisco alleging that the companies make and sell products that create a public nuisance—global-warming-induced sea-level rise—when combusted. The cities further alleged that the oil co...

The Fourth Circuit reversed a lower court's grant of summary judgment requiring EPA and West Virginia to address coal mining-related water pollution. Environmental groups argued that EPA failed to perform its nondiscretionary duty under the CWA to promulgate TMDLs for biologically impaired waters in...