Several clean-up campaigns have reported that cigarette butts (CB for now on) are the largest item littered worldwide . In 2007, the annual global consumption of cigarettes ascended to 6 trillion, [2, 3, 4] from where approximately 4.5 trillion CBs were carelessly dumped into the environment [5, 6]. Hence, CBs constitute a worldwide and severe toxic litter disposal problem . Yet, little attention is put onto this pollutant
Belzagui, F. [et al.]. Cigarette butts as a source of microfibers to the environment. A: "Proceedings of the 2nd International Conference on Microplastic Pollution in the Mediterranean Sea". Springer Nature, 2020, p. 266-271.