(CBS 5) — It washes up on beaches, threatens wildlife and pollutes our oceans. In this Good Question: How much plastic garbage is in the ocean?

ANSWER: Jim Oswald of the Marine Mammal Center said there are more than 300 billion pounds of plastic junk floating around the world’s oceans. The garbage consists of everything from plastic jugs and bottles to hair brushes and Styrofoam cups. Much of it comes from China, Japan and the U.S.

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