Pollution from human-generated waste in marine ecosystems has reached critical levels, with cigarette butts (CBs) among the most persistent and harmful pollutants. Globally, an estimated 4. 5 trillion cigarette butts are discarded annually, making them the most common type of litter on beaches o...
Source: [Phys.org](https://phys.org/news/2026-10-child-citizen-science-ecuadorian-community.html)