HEPA barrier traps carbon dust and particles
Sources: Science Daily: Secondhand Smoke is a Threat to Pets, 09/03/07 PetMD: Risks of Second Hand Smoke for Dogs and Cats, 06/23/14 American Journal of Epidemiology: Environmental Tobacco Smoke and Risk of Malignant Lymphoma in Pet Cats, 04/17/02 Association for Pet Obesity Prevention: 2014 Obesity Facts and Risks American Journal of Veterinary Research: Urinary Biomarkers to Assess Exposure of Cats to Environmental Tobacco Smoke, 04/07 Healthy Pets: How Cigarettes and Smoking Impact Your Pets Health, 09/17/09 Centers for Disease Control and Prevention: Health Effects of Secondhand Smoke, 02/17/16
"Often, when I travel, this is exactly what I see wherever I am in the world
Since June, the Socit pour l'action, l'ducation et la sensibilisation environnementale de Montral, or SAESEM, has installed dozens of bins for cigarette butts that are then shipped to a recycling plant near Toronto