sentences:  With Backer as Executive Director/Soundkeeper, Soundkeeper Inc. has brought many Clean Water Act lawsuits against polluters of Long Island Sound including New York City, as well as, a federal lawsuit challenging the United States Environmental Protection Agency's rule making regarding cooling water intakes from power plants.In addition, to its legal activities Soundkeeper Inc., under Backer's leadership, restored salt marshes in the Bronx, New York.and has pioneered the use of catch basin filters to clean polluted storm water of bacteria, metals, and hydrocarbons before it enters Long Island Sound, as well as numerous other projects.