After millions of gallons of raw sewage spilled into the French Broad River last week, RiverLink saw an educational opportunity surface. The nonprofit will host a tour of MSD’s wastewater treatment plant June 4 at 10 a.m. (Pictured: French Broad River Academy students visit the RiverLink office to learn about the urban water cycle, the focus of the upcoming tour. (Photo courtesy of RiverLink)