China, India, US Among World's Worst Marine Polluters: Country-By-Country Breakdown Of Plastics In Oceans

Every year, between five and 13 million more tons of plastics wind up in the world's oceans and a whopping 80 percent of that waste pours in from just 20 countries. China is the most egregious offender, discarding nearly 30 percent of the world's ocean-bound plastics, according to a new country-by-country analysis of plastic trash in the sea published Thursday by Science.