A district court dismissed residents' lawsuit against a city for allowing a metals finishing plant to use and store acids and other dangerous chemicals. The residents' only factual allegation against the city is that it zoned the property at issue as a commercial or industrial use area and allowed t...

The D.C. Circuit dismissed as moot truck engine manufacturers' lawsuit challenging four certificates of conformity EPA issued to another engine manufacturer pursuant to an interim final rule that allowed certificates to be issued to 2012 and 2013 model-year engines even if the engines fail to confor...

A district court denied industry groups' motion to intervene in a CAA citizen suit concerning EPA's alleged failure to review the ozone NAAQS in a timely manner. The underlying lawsuit concerns whether EPA has failed to perform a mandatory duty to review the ozone air quality standards, and whether ...

The Supreme Court of Kansas reversed and remanded the Kansas Department of Health and Environment's decision to issue a prevention of significant deterioration (PSD) permit to a power company to construct an 895-megawatt coal-fired power plant. An environmental group filed suit against the state age...