Plastic straws and bags have received widespread attention as pollutants. But another, even bigger, plastic problem has been slipping under the radar -- cigarette filters.
원문출처 : https://www.cnn.com/2019/01/24/health/dirty-truth-about-cigarette-filters/index.html
원문출처 : https://www.cnn.com/2019/01/24/health/dirty-truth-about-cigarette-filters/index.html