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A macroscopic view of microplastic formation
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This article traces the history of the term 'microplastic' from its coinage by marine biologist Richard Thompson and colleagues at the University of Plymouth to its formalisation as particles smaller than 5 mm by a 2008 NOAA workshop. The piece reviews how scientific and policy use of the term has evolved over twenty years of growing research output.
Twenty years ago, Richard Thompson, a marine biologist at the University of Plymouth, and his colleagues first used the term microplastic to describe the microscopic bits of plastic they were finding and trying to quantify in marine sediments around Plymouth, England. Four years later, participants of an international workshop hosted by the US National Oceanic and Atmospheric Administration defined microplastics as “ plastic particles smaller than 5 mm. ” Policy makers started using the term shortly thereafter. Since then, scientists have embraced this definition and published hundreds of papers on the environmental accumulation of microplastics and their possible sources. “We use so much plastic in our daily life, and it breaks down and sloughs off over time,” ecologist Chelsea Rochman of the University of Toronto says. “So microplastics, truly at this point, are everywhere.” The most prevalent source of plastic, however, will vary from place to place. With proper monitoring,
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Microplastic's story
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This review retraced the history of microplastic research from first observations through to current global distribution data, cataloguing definitional debates, classification systems, and characterization techniques while identifying unresolved questions about persistence, fate, and ecological impact.
Microplastics: Finding a consensus on the definition
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This paper reviewed the history and inconsistencies in microplastic definitions across the scientific literature and proposed a new comprehensive definition incorporating size, origin, material composition, and physical state. The proposed definition aims to resolve ambiguities that have led to non-comparable data across studies and hinder regulatory decision-making.
Scientists Reviewed 7,000 Studies on Microplastics.
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This review article summarizes a comprehensive evaluation of 7,000 studies on microplastics compiled 20 years after the term was coined in a landmark Science paper, synthesizing two decades of research on environmental accumulation of microplastic particles and fibres.
Microplastics are Everywhere
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This brief overview explains what microplastics are, where they come from, and why their persistence in the environment is a concern. Microplastics smaller than 5mm take decades to degrade and have been found in oceans, freshwater, soil, and living organisms worldwide. It is a general-audience introductory piece rather than original research.
“Microplastics”
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This overview introduces microplastics — plastic particles smaller than 5 mm from degraded or manufactured sources — and discusses the environmental concern they pose due to their persistence, their ingestion by aquatic organisms, and their ability to carry associated toxicants.
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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.