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Microplastics Pollution in the Urban Rivers/lakes, Soils and Atmosphere of the Megacity Beijing, China
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Researchers measured microplastic pollution across the urban rivers, lakes, soils, and atmosphere of Beijing, finding widespread contamination throughout the megacity's environment. The study reveals that densely populated urban areas are major sources and accumulation zones for microplastics, with airborne particles posing a direct inhalation risk to city residents.
Microplastics (MPs) has become ubiquitous pollutants in environment and thus received great attention in recent years. Beijing, the capital city of China, is the largest urbanized megacity with a large population. Although MPs has been detected in different...
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Microplastics Pollution and Risk Assessment in Selected Surface Waters of the Wei River Plain, China
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Surface water sampling across the Wei River Plain in northwest China found microplastic concentrations of 4.67 to 12.3 particles per liter, with PE fibers under 0.5 mm dominating, and risk index analysis classifying contamination levels as high throughout the study area. These findings extend evidence of widespread inland microplastic pollution into a relatively understudied region of China, emphasizing the need for regulatory controls on plastic waste in agricultural and semi-arid watersheds.
Microplastic and Heavy Metals Distributions in Urban Rivers Sediments, China
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A study of urban river sediments in China found microplastic abundances averaging 4,388 items per kilogram of dry sediment, with a significant linear correlation between MP abundance and the ecological risk index of co-occurring heavy metals including cadmium, copper, and arsenic. The findings confirm that microplastics act as carriers concentrating heavy metals above ambient sediment levels, compounding their toxicological threat to aquatic wildlife and humans through food chain contamination.
Microplastics in Sediments of the Urban River Jinjiang: Sources, Distribution, and Risk Assessment
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Researchers mapped microplastic contamination in sediments of the Jinjiang River in China, finding concentrations ranging from 21 to 924 particles per kilogram of dry sediment, with domestic waste and laundry effluents as the dominant sources and moderate ecological risk levels across most of the river stretch.
Microplastics in Urban Environments: Sources, Pathways, and Distribution
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Researchers mapped the major sources and pathways of microplastic pollution in cities, finding that tire wear, laundry wastewater, landfills, and construction activity collectively make urban areas major generators of the microplastics that flow into surrounding air, water, and soil.
Influence of urban land use on the accumulation of microplastics in urban water bodies
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This study found that the way land is used in cities, like how much is covered by roads, buildings, or industry, affects how much microplastic pollution ends up in nearby water bodies. This matters because these tiny plastic particles can travel through waterways into the food we eat and the water we drink, so understanding their sources in cities could help guide better urban planning to reduce our exposure to them.
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.