Billions of pounds of plastic can be found in swirling convergences that make up about 40 percent of the world's ocean surfaces ... as a pollutant under the Clean Water Act and will keep pushing for ...

You see photos of plastic pollution in the ocean, but it can be hard to connect that to the ... They are too small to be filtered out by waste water plants and end up being consumed by small marine ...

The justices ruled that the agency cannot impose generic prohibitions against violating water quality standards.