Papers

61,005 results
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Article Tier 2

A review of disposable facemasks during the COVID-19 pandemic: A focus on microplastics release

This review examines the environmental threats posed by disposable face masks used during the COVID-19 pandemic, with a focus on microplastic release. Researchers found that discarded masks undergo physical and chemical degradation in the environment, generating microplastics that contaminate both aquatic and terrestrial ecosystems. The study provides an overview of current knowledge on microplastic extraction methods and proposes strategies for controlling mask-related plastic pollution through source reduction and improved waste management.

2022 Chemosphere 52 citations
Article Tier 2

Face masks: a COVID-19 protector or environmental contaminant?

This review examined how the massive global use of disposable face masks during COVID-19 has created a significant source of microplastic pollution, with billions of masks entering the environment and releasing plastic fibers and chemical contaminants.

2023 Environmental Science and Pollution Research 13 citations
Article Tier 2

The COVID-19 pandemic face mask waste: A blooming threat to the marine environment.

This review examines how single-use face masks — billions of which were discarded during the COVID-19 pandemic — contribute to microplastic and microfiber pollution in marine environments when improperly disposed of. The pandemic created a massive new source of plastic pollution, with masks breaking down into microplastics and releasing chemical contaminants in the ocean.

2021 Chemosphere
Article Tier 2

Uncovering the Release of Micro/nanoplastics from Disposable Face Masks at Times of COVID-19

Researchers found that disposable face masks release significant amounts of micro- and nanoplastic particles when subjected to water exposure and mechanical stress similar to environmental conditions. This confirms that the massive use of masks during COVID-19 introduced new sources of microplastic pollution into the environment.

2021
Article Tier 2

Microplastics/nanoplastics released from facemasks as contaminants of emerging concern

This review examines how disposable facemasks, made primarily from polypropylene and polyethylene, release microplastics and nanoplastics into the environment. Chemical, physical, and biological processes break down discarded masks into tiny plastic particles that persist in ecosystems. Given the billions of masks used during COVID-19, this represents a significant and growing source of microplastic pollution.

2023 Marine Pollution Bulletin 31 citations
Article Tier 2

Global face mask pollution: threats to the environment and wildlife, and potential solutions

Researchers reviewed the global face mask pollution crisis following COVID-19, estimating massive production volumes and finding that most disposal pathways generate secondary microplastic pollution or toxic emissions, and proposing countermeasures including biodegradable mask development and improved waste management policy.

2023 The Science of The Total Environment 86 citations
Article Tier 2

Uncontrolled Disposal of Used Masks Resulting in Release of Microplastics and Co-Pollutants into Environment

This review documented the global distribution of discarded COVID-19 masks in terrestrial and aquatic environments and quantified the microplastics they release through degradation, finding that masks generate predominantly polypropylene fibers and fragments. The co-release of chemical additives from degrading mask materials was identified as an additional pollution concern beyond the MPs themselves.

2022 Water 19 citations
Article Tier 2

Face Masks to Combat Coronavirus (COVID-19)—Processing, Roles, Requirements, Efficacy, Risk and Sustainability

This review examines the materials, manufacturing methods, and effectiveness of face masks used during the COVID-19 pandemic, most of which are made from non-biodegradable plastics like polypropylene and polyester. Researchers found that while masks are effective at reducing virus transmission, their widespread use and improper disposal have created a significant environmental concern as they break down into microplastics. The study calls for more sustainable mask materials and better waste management strategies to reduce the environmental footprint of pandemic-related plastic waste.

2022 Polymers 80 citations
Article Tier 2

Understanding the environmental impacts of facemasks: a review on the facemask industry and existing life cycle assessment studies

This review examined the environmental life cycle impacts of disposable face masks during the COVID-19 pandemic, finding that the surge in mask production and disposal created a significant new source of plastic waste and microplastic pollution globally.

2023 Sustainable Environment Research 21 citations
Article Tier 2

From Protection to Pollution: The Impact of Mask Use on Micro(nano)plastic Release

This bibliographic review found that global mask consumption during COVID-19 reached as high as 2.5 trillion single-use masks per month, with Asia as the largest consumer, and documented how improper mask disposal releases microplastics and nanoplastics into terrestrial and aquatic environments.

2025 Journal of the Brazilian Chemical Society
Article Tier 2

A Novel Face Masks and it’s Utility during COVID-19 Pandemic: A Comprehensive Review

This review examines the technical specifications, materials, and engineering advances of face masks used during the COVID-19 pandemic, including both commercial and homemade options. Researchers discuss the environmental impact of disposable masks, noting that their widespread use has contributed to microplastic pollution as mask materials degrade. The study highlights the need for mask designs that balance effective viral protection with reduced environmental contamination.

2024 Journal of Quality in Health Care & Economics 3 citations
Article Tier 2

Current knowledge on the presence, biodegradation, and toxicity of discarded face masks in the environment

This review examines the environmental fate of discarded face masks from the COVID-19 pandemic, covering their degradation, chemical release, and ecological toxicity. Researchers found that disposable masks break down slowly in the environment, releasing microplastic fibers and chemical additives that harm aquatic and terrestrial organisms. The study calls for improved disposal practices and further research into the long-term environmental consequences of pandemic-related mask waste.

2023 Journal of environmental chemical engineering 54 citations
Article Tier 2

Nanotechnology-enabled face masks: Balancing protection and pollution in aquatic environments

This review examined the dual role of nanotechnology-enhanced face masks in providing antimicrobial protection while also releasing micro- and nanoplastics into aquatic environments when improperly disposed. The authors call for better mask design standards and disposal strategies to balance protective benefits against environmental pollution.

2025 Asian Journal of Water Environment and Pollution
Article Tier 2

An urgent call to think globally and act locally on landfill disposable plastics under and after covid-19 pandemic: Pollution prevention and technological (Bio) remediation solutions

This review examines how the COVID-19 pandemic worsened plastic pollution through massive increases in landfilled disposable masks and other protective equipment, estimated at 3.5 million metric tonnes in the first year alone. Researchers warn that improperly managed pandemic waste could release trillions of microplastics into the environment. The study highlights innovative waste management and bioremediation technologies that could help mitigate the long-term environmental impact.

2021 Chemical Engineering Journal 109 citations
Systematic Review Tier 1

Impact of coronavirus pandemic litters on microfiber pollution—effect of personal protective equipment and disposable face masks

Researchers reviewed microfiber pollution arising from disposable and reusable face masks and personal protective equipment during the COVID-19 pandemic, finding that synthetic fiber shedding through littering, laundry, and disinfection represents a significant and undercharacterized addition to global microplastic pollution loads.

2022 International Journal of Environmental Science and Technology 24 citations
Article Tier 2

Effects of masks on marine animals

Discarded COVID-19 face masks entering the ocean pose multiple threats to marine life, including entanglement, ingestion, and fragmentation into microplastic fibres. The paper outlines the scale of the problem and proposes policy and individual-behaviour responses, underscoring how pandemic-era single-use plastic waste created a new and rapid source of marine microplastic contamination.

2023 Theoretical and Natural Science
Article Tier 2

Fate of the face masks in the environment affect human and wildlife: tons of face masks are new source for the endocrine disrupting chemicals

Researchers examined how the massive accumulation of discarded COVID-19 face masks — primarily made of polypropylene, an endocrine-disrupting plastic — represents a new source of microplastic pollution in soils, oceans, and air worldwide. The paper discusses the health and ecological risks posed by mask-derived microplastics and endocrine disruptors for both humans and wildlife.

2022 Journal of Basic and Clinical Health Sciences 3 citations
Article Tier 2

Microplastics from face masks: A potential hazard post Covid-19 pandemic

Researchers quantified the annual face mask usage and associated plastic waste across 36 countries during the COVID-19 pandemic, estimating total annual mask usage exceeding 1.5 million tonnes and associated plastic waste of approximately 4.2 million tonnes. The study highlights that global COVID-19 responses substantially increased environmental microplastic burdens from single-use face mask disposal.

2022 Chemosphere 69 citations
Article Tier 2

Mascarillas faciales: contaminación ambiental, efectos toxicológicos, posibles soluciones y políticas globales

This review examined the environmental contamination, toxicological effects, and global policy responses related to face mask pollution generated during the COVID-19 pandemic, documenting how the surge in mask use following the WHO declaration created a new source of plastic waste and microplastic pollution.

2022 Encuentro Internacional de Educación en Ingeniería 1 citations
Article Tier 2

Eco-design Actions to Improve Life Cycle Environmental Performance of Face Masks in the Pandemic Era

This study evaluated the environmental impact of single-use face masks throughout their life cycle and proposed eco-design strategies to reduce their footprint. The massive increase in disposable mask use during COVID-19 generated significant plastic waste and potential microplastic pollution.

2021 Proceedings of the Design Society 2 citations
Article Tier 2

An ecotoxicological perspective of microplastics released by face masks

This review assessed the ecotoxicological hazard of microplastics derived from face masks, which were produced in unprecedented quantities during the COVID-19 pandemic. The authors identified significant uncertainties about real-world impact concentrations and called for standardized testing to better characterize the toxicity of face mask-derived microplastics to aquatic and terrestrial organisms.

2022 Journal of Hazardous Materials 60 citations
Article Tier 2

Personal protective equipment (PPE) disposal during COVID-19: An emerging source of microplastic and microfiber pollution in the environment

This review examines how discarded personal protective equipment from the COVID-19 pandemic has become a new source of microplastic and microfiber pollution. Researchers found that single-use masks, gloves, and other PPE break down into tiny plastic particles that contaminate water, soil, and air. The study highlights the environmental trade-off of pandemic safety measures and calls for better waste management strategies for healthcare materials.

2022 The Science of The Total Environment 90 citations
Article Tier 2

Review on personal protective equipment: Emerging concerns in micro(nano)plastic pollution and strategies for addressing environmental challenges

This review examines how the massive increase in disposable masks, gloves, and other protective equipment during COVID-19 has become a major new source of microplastic pollution. An estimated 1.6 million tons of plastic waste per day was generated from discarded protective equipment, and as this gear breaks down, it releases micro- and nanoplastic particles into soil and water. These particles can accumulate in seafood and other organisms, creating another pathway for human microplastic exposure.

2024 Environmental Research 27 citations
Article Tier 2

Increased plastic pollution due to COVID-19 pandemic: Challenges and recommendations

This review examines how the COVID-19 pandemic dramatically increased plastic pollution through the massive use of disposable personal protective equipment like masks and gloves. Researchers warn that this surge in single-use plastics will accelerate the generation of microplastics and nanoplastics in both aquatic and terrestrial environments. The study emphasizes the need to balance public health measures with environmental safety and calls for a shift toward sustainable alternatives.

2020 Chemical Engineering Journal 1028 citations