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Catalogue of technologies to address the risks of contamination of water bodies with plastics and microplastics
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This review rounds up the many ways scientists and engineers are tackling plastic pollution in our water, from redesigning clothes to shed fewer microfibers, to installing special filters in wastewater plants, to using floating "trash traps" in rivers and harbors. The takeaway: no single fix works everywhere, the best approach depends on local conditions, but combining these tools can meaningfully cut the plastic and microplastic particles that end up in drinking water sources and, eventually, our bodies. The authors also stress that solutions should be designed fairly, since women and marginalized communities often face greater exposure to plastic-related health risks
Plastic and microplastic contamination in aquatic environments is escalating due to rapid urbanization, increasing plastic consumption, and insufficient waste management infrastructure. A wide range of technological interventions ranging from upstream prevention to downstream treatment has emerged to mitigate the release of plastic pollutants into water bodies. Preventive measures include design improvements in textiles to reduce microfiber shedding, implementation of household filters, and behavioral change strategies to minimize single-use plastics. In urban landscapes, runoff pre-treatment systems, such as retention ponds and constructed wetlands, help capture plastics before they reach open waters. At the municipal level, wastewater treatment systems play a pivotal role. Primary treatment stages effectively remove larger particles, while advanced tertiary filtration, including membrane bioreactors and rapid sand filters, targets microplastics. Downstream interventions, such as litter traps, river booms, and floating debris collectors (e.g., Seabins), are used to extract plastics from surface waters, particularly in high-traffic urban waterways. The selection and effectiveness of these technologies depend on local hydrology, pollutant load, regulatory frameworks, and available infrastructure. Equity considerations are also essential. Women and marginalized groups are disproportionately exposed to health risks linked to plastic waste and should be actively included in policy and system design. Context-specific, integrated solutions are necessary to ensure both environmental and social sustainability.
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Water pollution by plastics and microplastics: a review of technical solutions from source to sea
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This review paper rounds up existing research on how plastic and microplastic pollution gets into our water, from microbeads and synthetic clothing fibers to breakdown of larger plastic waste, and what can be done to stop it. The good news: wastewater treatment plants can filter out over 99% of microplastics, but the catch is that pollution just shifts into the leftover sludge, which often gets spread on farmland, potentially creating a new route back into our environment and food. While scientists still aren't sure exactly how these tiny plastic particles affect our health, this paper makes clear that solving the problem requires action at every stage, from how we make and
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Researchers reviewed innovative technological interventions for reducing microplastic pollution, examining approaches tied to consumer behavior and industrial activity and evaluating their potential to curb the release of plastic particles into the biosphere.
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Researchers reviewed how mismanaged single-use plastics are contaminating both freshwater and ocean ecosystems at alarming rates, and evaluated potential remediation strategies including filtration, biodegradation, and policy interventions. The review underscores that plastic pollution is now a systemic threat to water quality that affects drinking water sources globally.
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This review surveys greener technologies for controlling microplastic pollution, covering the diverse forms MPs take across ecosystems and emerging strategies for their reduction and remediation. Developing scalable, environmentally friendly MP remediation technologies is urgent given that MPs smaller than 5 mm have now penetrated virtually every ecosystem on Earth, from deep ocean sediments to human blood.
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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.