Each year, several trillion cigarette butts end up as litter worldwide
The linear sum of commercial, casual, and international smuggling will not equate to our total figure given the non-linear nature of the model
Before we start the list, here are some examples of what the plants may filter: Xylene : Paints, varnishes, adhesives, permanent markers, cigarette smoke, vehicle exhaust Formaldehyde : Pressed-wood products (MDF, plywood), insulation, furniture, carpet backing, cleaning agents Benzene : Paints, glues, waxes, cigarette smoke, detergents, gasoline fumes Trichloroethylene : Dry cleaning products, degreasers, paint removers, adhesives Ammonia : Window cleaners, floor waxes, fertilizers, pet/human urine Carbon Monoxide : Gas stoves, fireplaces, furnaces, cigarette smoke, car exhaust Carbon Dioxide : Human and pet respiration, cooking, heating, poor ventilation Toluene : Paints, nail polish, adhesives, cleaning products, leather conditioners, cigarette smoke This filtering data is based on NASAs Clean Air Study
Recently, Indias legislation requiring such large-sized health warnings sparked protests from interested parties including tobacco companies and tobacco growers
