Mealey's (January 5, 2016, 11:00 AM EST) -- ST. LOUIS — Two motions to compel information about members of the Sierra Club who allegedly sustained injuries as a result of emissions from coal-fired power plants owned by Union Electric Co., doing business as Ameren Missouri, and other members of the environmental group were denied Dec. 31 by a federal judge in Missouri, who ruled that the requested information is irrelevant to the group’s citizen suit under the Clean Air Act (CAA) (Sierra Club v. Union Electric Company, d/b/a Ameren Missouri, No. 14-cv-408-AGF, E.D. Mo.; 2015 U.S. Dist. LEXIS 173530)....