On the shores of Lake Michigan, the tiny town of Ludington, Mich., is home port to the last coal-fired ferry in the U.S. The SS Badger has been making trips across the lake to Manitowoc, Wis., during the good-weather months since 1953. And as it runs, the 411-foot ferry discharges coal ash slurry directly into the lake.
An Environmental Protection Agency permit allows the Badger to dump four tons of ash into the lake daily.