We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Toxicants Released from Cigarette Butt and Other Tobacco and Nicotine Product Waste and Their Ecotoxicological Impact: A Systematic Review with One Health Perspectives
AI summary Read the abstract
This review pulls together 47 studies showing that discarded cigarette butts leak toxic chemicals, nicotine, and tiny plastic particles into soil and water, harming fish, plants, and other wildlife. While the focus is on ecosystems, it's a reminder that this common litter is a lasting pollution source, and its ripple effects on the environment we depend on are still not fully understood.
Cigarette butt waste is a widespread form of tobacco-related litter and an increasingly recognized source of environmental contamination. This systematic review synthesized evidence on the environmental impacts of cigarette butts and other tobacco and nicotine product waste, including contaminant release, plastic-derived particle generation, affected environmental matrices, ecotoxicological effects, dose–effect relationships, and ecological and human health risk assessment within a One Health framework. Following PRISMA guidelines and PROSPERO registration, PubMed, Scopus, and Web of Science were systematically searched. Forty-seven studies were included. Cigarette butts and related waste were found to release diverse contaminants, including metals, nicotine, PAHs, VOCs, BTEX, pesticides, phenolic compounds, aromatic amines, and cellulose-acetate-derived micro- and nanoplastics. Nicotine emerged as a prominent contaminant, with rapid release and high modelled ecological risk reported in some studies. Freshwater and marine environments were most frequently investigated, while soils, urban environments, stormwater systems, landfills, and waste-management pathways were also represented. Experimental studies reported mortality, growth inhibition, oxidative stress, reproductive and developmental impairment, genotoxicity, metabolic and behavioral alterations, and community-level effects. Evidence on emerging nicotine product waste remained limited and was constrained by differences in product design, terminology, characterization, and experimental scenarios. Overall, these wastes represent hybrid chemical–particulate environmental stressors, although their substantial heterogeneity limits broader generalization.
More Papers Like This
Cigarette Butt Pollution in Aquatic Ecosystems: Sources, Environmental Fate, Ecotoxicological Impacts and Mitigation Strategies
AI summary Read the abstract
Cigarette butts are one of the world's most common types of litter, and this review shows they leak toxic chemicals and tiny plastic fibers into rivers, lakes, and oceans, harming fish and other wildlife. These pollutants can build up in aquatic animals, meaning they could eventually make their way into the seafood we eat, so reducing cigarette litter matters for both ecosystems and our own health.
A review on cigarette butts: Environmental abundance, characterization, and toxic pollutants released into water from cigarette butts
AI summary Read the abstract
This review examines the environmental impact of discarded cigarette butts, which number in the trillions worldwide each year and are among the most common litter items. Researchers found that cigarette filters release harmful substances including heavy metals, nicotine, and cellulose acetate microplastic fibers when they enter water. The study highlights that cigarette butt pollution represents a significant but often overlooked source of both chemical contamination and microplastic pollution in aquatic environments.
A Review of Environmental Pollution from the Use and Disposal of Cigarettes and Electronic Cigarettes: Contaminants, Sources, and Impacts
AI summary Read the abstract
Researchers reviewed the environmental pollution caused by the use and disposal of cigarettes and electronic cigarettes, including their role as a source of microplastic contamination. Cigarette butts made of cellulose acetate are minimally degradable and represent a major source of both bulk plastic and microplastic pollution, particularly in aquatic ecosystems. The study documents that cigarette butt leachate and nicotine are toxic to a wide range of organisms from microbes to mammals.
Microplastic fibers and leachates from cigarette butts: environmental impacts, toxicological concerns, and circular economy-driven solutions
AI summary Read the abstract
This review of existing research shows that cigarette butts are the world's most common plastic trash, slowly breaking down into tiny plastic fibers that spread harmful chemicals like nicotine and heavy metals into water and soil. These microplastics hurt fish and other animals by changing their behavior and building up in their bodies, which could affect the entire food chain. Since humans eat fish and use water from these contaminated environments, cigarette butt pollution may pose health risks that need more research and better cleanup solutions.
Cigarette Waste as a Neglected Environmental and Public Health Crisis: Persistent Pollution, Toxic Exposure, and Environmental Inequity
AI summary Read the abstract
This review pulls together existing research showing that trillions of cigarette butts discarded each year leak nicotine, heavy metals, and microplastic fibers into soil and water, harming both wildlife and human health, especially for kids and communities already facing more pollution exposure. It argues this isn't just about people littering: it's a systemic problem the tobacco industry has avoided taking responsibility for.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.