The United Nations estimates that each one of us uses nearly 140 kilograms of plastic each year. At least 6.4 million metric tons of that plastic has ended up in the oceans.
Environmental activist Captain Charles Moore has found that in some areas, plastic outweighs zooplankton - the ocean's food base - and is entering the food chain. Our reporter talked to Capt. Moore about his efforts to document ocean pollution.
Once upon a time, the oceans of our planet were beautifully clean. Not any more. Captain Charles Moore calls this 'the age of plastic.'