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Microfibers: a preliminary discussion on their definition and sources
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This paper proposes clearer definitions for "microfibers" as a distinct category of microplastics and reviews their major environmental sources, noting that they are found nearly everywhere and released from both synthetic and natural textiles. Clearer terminology is important for comparability across research studies and for developing targeted policy responses to fiber pollution.
Microfibers are a major component of microplastics and have been found nearly everywhere, especially in marine and freshwater habitats around the world. Therefore, microfibers have gained considerable attention in environmental science research. However, there is still no clear consensus on a definition that can encompass all necessary properties to describe microfibers as emerging pollutants. Therefore, we propose a definition for debate by taking the related descriptions of microplastics and textile fibers as references. Moreover, the potential sources from the perspectives of textile engineering, including production, use, care, and end-of-life disposal of fibrous materials, are discussed. For further investigation of microfiber pollution, the gap between current knowledge and major microfiber pollution concerns must be bridged.
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This review addresses the sources and ubiquity of microfibers in the environment, arguing for a clearer definition of microfibers as emerging contaminants and synthesizing evidence of their prevalence in freshwater and marine ecosystems globally.
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This paper tackles the confusing terminology around tiny plastic fibers shed from textiles, which account for roughly 35% of microplastics released into the environment. The authors propose a standardized definition for fiber-shaped microplastics to help researchers compare results across studies and better track this major source of plastic pollution.
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Microfibers are a subcategory of microplastics and one of the most abundant plastic shapes found in environmental samples worldwide. This introductory chapter reviews the definitions, types, and environmental impacts of microfibers, highlighting that their small size and fibrous form make them particularly persistent and widely distributed. Addressing microfiber pollution urgently is important given how readily they are ingested by wildlife and potentially humans through air, water, and food.
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This review systematically examined the sources of synthetic microfiber pollution in marine environments, covering laundry, fishing gear, industrial textile discharge, and other origins. The authors note that the key sources of marine microfibers remain contested and call for improved source attribution methods.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.