The Sixth Circuit held that the CAA's citizen suit provision does not allow an environmental group to file suit to compel the state of Ohio to administer a particular federal CAA regulation it has chosen no longer to administer. In 2006, the Ohio General Assembly passed legislation that allows the s...

A district court held that residents may add four new defendants in their lawsuit against energy companies for alleged water contamination due to hydraulic fracturing operations near their homes. During the course of discovery, the residents learned that the proposed defendants participated in t...