1. Turning off the Tap. how the world can end plastic pollution and create a circular economy. (2023). Accessed: April 23, 2024: https://www.unep.org/resources/turning-off-tap-end-plastic-pollution-create-circular-economy.
2. Public and environmental health effects of plastic wastes disposal: a review;Okunola A A;J Toxicol Risk Assess,2019
3. Microplastics and nanoplastics in atheromas and cardiovascular events;Marfella R;N Engl J Med,2024
4. Japan Soft Drink Association. consumer awareness surveys on PET bottles [in Japanese]. (2022). Accessed: April 23, 2024: http://www.j-sda.or.jp/ippan/news_view.php?kind=1&id=337.
5. Ethical checklist for the utilization of behavioral insights, such as nudges - survey and research section [in Japanese]. (2020). Accessed. April 23, 2024: https://www.env.go.jp/earth/ondanka/nudge/renrakukai16/mat_01.pdf.