ashes of cigarettes yang yongliang: cigarette ash landscape Cigar ash - Wikipedia

Long-term smoking harms the airway, leading to respiratory diseases, heart problems, and even cancer

It can charge multiple devices such as cell phones, tablets, etc

A comprehensive reportage of the National Geographic has raised the question if cigarette butts should be banned, following findings that these filters are polluting the environment with toxins after it breaks down into microplastic and other harmful chemicals such as nicotine and heavy metals when improperly disposed into the environment

Trends in vaping behaviour 1.1 Vaping prevalence over time 1.2 Vaping by smoking status 1.3 Vaping by age and SES 1.4 Duration and frequency 2