Plastic Industry and World Environmental Problems Shanty Oktavilia, Mita Hapsari, Firmansyah, Andryan Setyadharma and Indah Fajarini Sri Wahyuningsum E3S Web Conf., 202 (2020) 05020 Published online: 10 November 2020 DOI: 10.1051/e3sconf/202020205020