PTT (Lao) Co., Ltd. was honored by the Faculty of Environmental Sciences of the National University of Laos to participate in a seminar and lecture on 16-17 December 2020 on the topic of plastic waste management. To share lessons learned with international organizations and the general business community, including students in years 1-3 of the Faculty of Environmental Sciences, National University of Laos, to invite students to separate the waste before dumping and reusing it for maximum benefit.