Cigarette filters extinguished in the sand of a beach. Cigarette butts as the single greatest source of ocean pollution surpassing plastic straws. The filters in cigarettes are made of tiny plastic particles that take decades or more to decompose. And they serve no use. Cigarette filters were created in the 1950s by the tobacco industry in an effort to make smoking a healthier alternative to unfiltered cigarettes. And while the banning of plastic straws is gaining momentum, some experts believe