Butt really? The environmental impact of cigarettes
Whose butt is it? tobacco industry research about smokers and cigarette butt waste
The intractable cigarette ‘filter problem’
Tobacco and cigarette butt consumption in humans and animals
Smoke-free college campuses
Toxicity of cigarette butts, and their chemical components, to marine and freshwater fish
Analysis of metals leached from smoked cigarette litter
Tobacco litter costs and public policy
Geographic patterns of cigarette butt waste in the urban environment
Regulating the disposal of cigarette butts as toxic hazardous waste