1. Ryan, P. G. & Moloney, C. L. Marine litter keeps increasing. Nature 361, 23 (1993).
2. Hoornweg, D. & Bhada-Tata, P. What a waste: A Global Review of Solid Waste Management. (The World Bank, Washington, DC, 2012).
3. Worm, B., Lotze, H. K., Jubinville, I., Wilcox, C. & Jambeck, J. Plastic as a Persistent Marine Pollutant. Annu. Rev. Environ. Resour. 42, 1–26 (2017).
4. Bergmann, M., Tekman, M. B. & Gutow, L. Sea change for plastic pollution. Nature 544, 297 (2017).
5. Shomura, R. S. & Yoshida, H. O. Proceedings of the workshop on the fate and impact of marine debris. NOAA Technical Memorandum NMFS (1985).