A California appellate court upheld a local air district rule that requires manufacturers of consumer paint thinner and solvent products to limit the use of ozone-forming volatile organic compounds (VOCs) in their products. The district issued to rule to satisfy its federal CAA commitments. A pa...

The California Supreme Court upheld an air district's technology-forcing rules that limit certain pollution-causing substances in paints and coatings. A paint association argued that the air district failed to show that technology necessary to meet the emissions limits set by the 2002 amendments...

The D.C. Circuit upheld four EPA rulemakings governing greenhouse gases. EPA issued the rules following the U.S. Supreme Court's decision in Massachusetts v. EPA, 549 U.S. 497 (2007), in which the Court clarified that greenhouse gases meet the definition of an air pollutant under the CAA. Petit...

A New York court dismissed individuals' lawsuit challenging the legality of New York's participation in the Regional Greenhouse Gas Initiative (RGGI), a regional cap-and-trade plan for carbon dioxide (CO2) emissions. The individuals claimed they had standing because, as electric utility ratepaye...

A district court dismissed a lawsuit filed by nongovernmental organizations and a group of minors claiming that six federal agencies violated their fiduciary duties to preserve and protect the atmosphere as a commonly shared public trust resource under the public trust doctrine. The public trust...