The D.C. Circuit upheld the emission standards EPA promulgated in 2012 for mercury and other listed hazardous air pollutants emitted by coal- and oil-fired electric utility steam generating units. The rule was challenged by industry, saying the rule was too stringent, as well as by environmental gro...

 The primary standards for carbon monoxide have remained the same since 1971. There has not been a secondary standard for carbon monoxide since EPA revoked a secondary standard in 1985. In 2007, EPA began reviewing whether to alter the current primary standards and whether to adopt a secondary ...

A district court upheld the Tahoe Regional Planning Agency's latest land use and development plan for the Lake Tahoe Area Basin, located along the California and Nevada border. The updated plan, issued in 2012, includes the agency's adoption of a regional transportation plan and the incorporation of...