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Sourcing, Timing, and Extent of Microplastic Mobilization by Urban Flooding
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Researchers studied how urban flood events mobilize microplastics stored in urban watersheds, finding that storm flooding dramatically increases the transport of accumulated plastic particles into waterways and downstream environments. As climate change intensifies urban flooding frequency, understanding microplastic mobilization dynamics is critical for predicting pollution loading into aquatic ecosystems and designing stormwater management systems that reduce plastic discharge.
Flood events are mobilizers of microplastics stored in urban watersheds, transp...
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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.
Microplastics Occurrence in Urban Water: Current Insights
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Researchers analyzed microplastic concentrations across urban water systems, compiling data on occurrence patterns and sources in drinking water infrastructure. The review highlights urban water supplies as a significant and underappreciated route of daily human microplastic exposure.
Sources and Fate of Microplastics in Urban Systems
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Urban environments generate microplastics through road runoff, stormwater drainage, and inadequate waste management, releasing particles directly into local waterways at high concentrations. Cities are both major sources and exposure zones for microplastics, making urban infrastructure improvements a priority for reducing human contact with contaminated water and air.
Sources and Fate of Microplastics in Urban Systems
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Researchers examined how microplastics enter and move through urban environments, tracing sources from personal care products, synthetic clothing, and infrastructure degradation to eventual fate in waterways — as global plastic production exceeds 380 million metric tons annually, cities are both major generators and transport corridors for microplastic pollution.
Release of Microplastics by Terrestrial Sources into Freshwater Environments
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This chapter examines how terrestrial sources—including stormwater runoff, agricultural activities, and wastewater treatment plants—release microplastics into freshwater systems. Identifying and controlling these land-based inputs is critical because rivers and lakes are not just reservoirs of plastic pollution but also sources of drinking water and irrigation for human populations.
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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.