OneWorld US: Over the last years, up to 60 percent of lakes, rivers, streams, and drinking water sources across the United States have lost crucial environmental protections at the hands of polluters, developers, and the U.S. Supreme Court. “Without immediate action in Congress, a generation of progress in cleaning up our nation’s waters may be lost,” says a new report by seven U.S.-based environmental advocacy groups. “When Congress passed the Clean Water Act in 1972, our [U.S.] waters …