The Eighth Circuit reversed a lower court decision certifying as a class a group of homeowners alleging nuisance claims against an oil company that owns a nearby contaminated site. A pipeline leak…

A district court decertified a class of Kentucky residents who filed nuisance claims against a neighboring hog farm. The court previously determined that commonality existed because the residents…

The Third Circuit affirmed a lower court decision refusing to certify residents' class action for medical monitoring and property damage in a suit against chemical companies for allegedly…

A California appellate court reversed a lower court decision certifying residents' class action lawsuit against the state wildlife agency in connection with efforts to eradicate an invasive…

A district court recommended that individuals' request for class certification in a case against TVA for a coal ash spill in Tennessee be denied. On December 22, 2008, one of the coal ash…

The First Circuit vacated a lower court decision that denied class certification to property owners in their action against the owners and operators of a barge that discharged a substantial amount…

The court affirms a district court certification of a class of homeowners to determine a factory's liability, but not damages, for allegedly contaminating the homeowners' soil and…

The court holds that a trial court improperly certified as a class residents of a community that alleged that several manufacturers contaminated a portion of their city's groundwater. The…

The court holds that plaintiffs in a toxic tort case were not entitled at trial to be certified as a class for medical monitoring, to depose an attorney for the defendant uranium mill, or to…