Articles tagged with Water Pollution
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A new study reveals that CFC replacement chemicals and anaesthetics are behind a third of a million tonnes of trifluoroacetic acid (TFA) being deposited from the atmosphere across the Earth's surface between 2000 and 2022. TFA production is expected to continue growing, posing environmental concerns.
A new FAU study uncovers the impact of acidic water on shell-building marine organisms, highlighting the need for strategies to mitigate coastal acidification. The research found that nutrient pollution, freshwater input, and other environmental factors contribute to reduced aragonite saturation.
Researchers from Tohoku University developed a 3D covalent organic framework (COF) that enables efficient and selective removal of anionic dyes from contaminated water. The COF, TU-123, demonstrates high adsorption capacity and removal efficiency, making it a promising solution for advanced wastewater purification technologies.
A new study by University of California San Diego researchers found that fossil fuel plastics can amplify harmful algae blooms by killing off zooplankton, leading to an increase in algal concentrations. In contrast, biodegradable plastics had a smaller impact on zooplankton and algal communities.
A third of fish off Pacific Islands' coasts contain microplastics, with Fiji showing a high rate of contamination. Research highlights the pervasiveness of microplastic pollution and its impact on ecosystems and human health.
A new study from Harvard found that North Atlantic pilot whales have 60% lower concentrations of per- and polyfluoroalkyl substances (PFAS) in their bodies since the phaseout of these chemicals. The researchers measured bulk organofluorine levels as a proxy for total PFAS concentrations, including newer types of PFAS.
A recent study from the University at Buffalo has found that cigarette filters release up to two dozen microfibers upon first contact with water, posing a significant threat to wildlife and human health. The researchers estimated that over 71 million to 1.4 billion cigarette butt microfibers are released into New York waters every day.
Scientists have developed a new technique using failed battery components to intentionally degrade water pollutants known as per- and polyfluoroalkyl substances (PFAS). The method, published in Nature Chemistry, achieves remarkable results in breaking down long-chain PFAS molecules into mineralized fluorine.
Researchers from Tokyo Metropolitan University found that only 0.2% of used PCFs are washed into rivers, while 28% end up back on beaches near direct drainage points. The study highlights a significant 'sink' in the global circulation of plastics and sheds light on the complex transport of microplastics.
Scientists differentiate between human-derived and hydrological contributions to riverine nitrogen pollution, finding that about half of the increase in nitrogen loss is due to human activity. The study suggests tailored solutions for different regions, focusing on reducing fertilizer inputs and managing precipitation.
Korea University's Institute for Environmental Health trained faculty members from Karakalpakstan Medical Institute to improve environmental health in the region. The training aimed to enhance water quality and waste disposal management, fostering collaboration and joint research.
A citizen science project has estimated that roughly 53,000 items of macro waste debris float past Cologne on the Rhine river every day. Disposable plastic products make up a large proportion of the litter found in the Rhine, posing a significant threat to the ecosystem.
The Rhine River transports an estimated 3,000-4,700 tonnes of macrolitter towards the North Sea each year. Plastic pieces account for only around 15% of the overall litter mass.
A new study found that higher levels of PFAS in the blood are linked to an increased risk of early onset of metabolic dysfunction-associated steatotic liver disease (MASLD) in adolescents. MASLD affects up to 40% of children with obesity and increases long-term risk for type 2 diabetes, heart disease, and liver cancer.
A comprehensive analysis of 503 fish found high levels of 13 heavy metals and toxic substances, making consumption inadvisable due to health risks. The study highlights the persistence of contamination in the Doce River basin, with ongoing mineral exploitation and industrial activities contributing to pollution.
Researchers have found a wide range of forever chemicals in seabirds from the remote Southern Ocean, providing evidence for long-range transport and bioaccumulation of PFAS. The study highlights the global reach of these persistent chemicals, which are not easily broken down in the environment.
A new 'River Literacy' concept has been developed to educate communities about the vital roles rivers play in daily lives, cultures, and ecosystems. The framework highlights seven easy-to-grasp principles designed for schools, riverside communities, and the general public.
A new method uses machine learning and flow cytometry to detect contaminated bathing water, providing faster and more complete answers on water safety. The method has several advantages, including being open-source and able to detect changes in entire bacterial communities.
A new study reveals that Virginia's current approach to managing septic system failures misses a critical factor: the time-varying relationship between hydrological stressors and septic system performance. This gap limits the state's ability to proactively identify and intervene in high-risk areas before failures occur.
A study published in Environmental Endocrinology found that teens with higher blood levels of PFAS before bariatric surgery had smaller improvements in blood sugar over five years. This could lead to the metabolic benefits of the surgery fading within a decade.
A new study highlights five ways microplastics can trigger inflammation and damage in the brain, including immune cell activity and oxidative stress. Microplastics weaken the blood–brain barrier, causing immune cells to attack them and leading to further damage.
Researchers have discovered key design principles for ozone-generating catalysts, which can replace hazardous and carcinogenic chlorine in water treatment. This breakthrough could revolutionize water sanitation practices by providing a safer and more sustainable alternative.
A large-scale laboratory screening identified 168 chemicals toxic to human-made gut bacteria. Washing fruit and veggies before consumption may help avoid exposure to these pollutants. Researchers developed a machine learning model to predict chemical harm, emphasizing the need for safer industrial practices.
Researchers found that nutrients in lagoons are highest near the island, lower offshore, and linked to human activities on land. Precipitation acts as a key mediator for connections between land use and lagoon waters.
A 20-year study of 11,000 adults in Bangladesh found that reducing arsenic levels in drinking water was associated with lower mortality rates from heart disease, cancer, and other chronic illnesses. The study provides the first long-term, individual-level evidence that reducing arsenic exposure may lower mortality even among people exp...
Researchers discover that PFAS can harm ducklings even before they hatch, altering their gene expression and potentially affecting their fat metabolism and immune system. The findings support demands for a blanket EU ban on the substances, which are considered 'forever chemicals' due to their long-term persistence in the environment.
Researchers track benthic nutrient fluxes using a new device called CAROSEL, which measures nitrogen released from sediments in real-time. The findings reveal daily rhythms in oxygen fluxes and highlight the importance of understanding sediment-water interactions in managing aquatic ecosystems.
Researchers at Binghamton University are testing the long-term stability and environmental effects of perovskite solar cells, a more environmentally friendly option, to prevent lead leakage and pollution. The study aims to improve the durability and recyclability of solar panels, enabling widespread adoption of renewable energy sources.
Researchers identified a significant association between perfluoroheptanoic acid (PFHpA) exposure and metabolic dysfunction-associated steatotic liver disease (MASLD) in adolescents. The study used advanced models to reveal PFHpA's role in disrupting biological pathways, leading to liver damage and inflammation.
Constructed wetlands can mimic natural water purification processes, but studies of full-scale CWs have been limited. Researchers identified key factors affecting removal efficiency, including carbon sources and hydraulic parameters.
A new model shows that buoyant plastics degrade slowly at the surface, fragmenting into smaller particles over decades. These tiny fragments can then sink to the ocean floor, but it may take more than 100 years for surface plastic waste to disappear.
The winners of the Applied Microbiology International Horizon Awards 2025 have been recognized for their groundbreaking contributions to global challenges through applied microbiology. The awards celebrate excellence across various domains, including drug discovery and sustainable agriculture.
Researchers at NTNU identify main sources of plastic pollution and explore solutions that change production and consumption habits. Measures emphasizing pro-social and pro-ecological values have been found to be effective in bringing about profound changes.
Researchers from Florida International University have detected a dozen different PFAS compounds within the Miccosukee Indian Reservation in the Everglades. The findings raise questions about potential impacts on water quality and ecosystem health, particularly with regards to ongoing Everglades restoration efforts.
A study reveals that the Mar Menor lagoon has sediments with excessive levels of lead, arsenic, and other toxic metals accumulated over centuries due to mining activities. The research highlights the ongoing risk these metals pose to aquatic organisms and ecosystems, even after the closure of mines in the 1990s.
Leading fashion brands and textile manufacturers have joined forces to address the microfiber pollution crisis through a comprehensive study. The project, led by Fashion for Good and Northumbria University, tested 24 fabric types and revealed complex challenges within the textile supply chain, including potential contamination levels.
Researchers found that short-term alperujo storage (3 months) improves compost yields and reduces greenhouse gas emissions. Phenolic compounds are efficiently removed, making the final product safer for fields.
A study found that sea foam from several beaches in North Carolina's coastal region contain higher levels of per- and polyfluoroalkyl substances (PFAS) compared to the water below. Researchers detected PFAS concentrations in sea foam reaching tens to thousands of times higher than in regular seawater.
A growing body of research links environmental pollutants to worsened health and shorter life spans in childhood cancer survivors. The study found that only 25% of pediatric oncology providers felt comfortable discussing environmental pollutant impacts with patients.
Researchers investigated how natural microfibers and synthetic materials degrade under simulated sunlight in freshwater and seawater. The study found significant differences in degradation rates between the two materials, with implications for aquatic ecosystems.
Researchers found that four common PFAS triggered fat buildup and cancer-related changes, with effects differing by sex. Liver cells from male and female donors responded differently to PFAS exposure.
Research by Concordia University finds that individuals ingest tens of thousands of microplastic particles per year from single-use plastic water bottles, which can cause chronic health issues. The study highlights the need for education on the risks of daily plastic bottle use.
As Arctic permafrost thaws, geochemical reactions unleash metals like cadmium, harming fish and disrupting ecosystems. The Salmon River's transformation poses indirect threats to Indigenous communities and other species.
Researchers at the University of Copenhagen have developed a method to convert plastic waste into a climate solution for efficient and sustainable CO2 capture. The new material, BAETA, can absorb CO2 out of the atmosphere efficiently compared to existing carbon capture technologies.
A global assessment reveals that ocean plastics pose ecological risks in areas with dense marine life and pollutants, even in waters with modest plastic levels. The study identifies high-risk zones, including the North Pacific and North Atlantic oceans, where coordinated efforts can substantially lessen threats.
A landmark review published by FAU reveals that sargassum is a rapidly growing and widely distributed marine organism. The study found that the Atlantic Ocean's sargassum biomass has increased by over 50% since the 1980s, with nitrogen content rising sharply.
Researchers from RMIT University have developed a new wastewater treatment system that targets all fat types, including hard-to-remove emulsified fats, and achieves up to 98% fat removal rates in commercial kitchen wastewater. The system combines a redesigned grease interceptor with smart chemical treatment.
Researchers have identified 21 new PFAS chemicals in Sydney's tap water, exceeding previous estimates. The findings highlight the need for broader monitoring and underscore the persistence of 'forever chemicals' in human systems.
A recent survey of 178 dogs in 10 states found that two-thirds consume higher-than-recommended levels of heavy metals in their drinking water. The study highlights the need for further research on the long-term health effects of these exposures, particularly in rural areas where private wells are common.
A new Virginia Tech study reveals that toxic well water primarily affects household pets, with 64% of dog drinking water samples containing high levels of potentially toxic heavy metals. Researchers found a correlation between untreated well water and poor health in dogs, highlighting the need for households to test and treat their water.
An international research team has proposed a comprehensive global framework for regulating tire additives, which are a significant source of environmental contamination. The framework aims to address the impacts of these chemicals on ecosystems and human health worldwide.
Researchers at Rice University have engineered E. coli to act as living multiplexed sensors, detecting multiple environmental toxins simultaneously by converting biological responses into readable electrical signals. The system can detect combined hazards more efficiently and accurately, with potential applications in biocomputing.
A study found that children who lived near Coldwater Creek, a Missouri River tributary polluted by nuclear waste, had a higher risk of developing cancer. The researchers estimated that those living less than one kilometer away from the creek had a 44% higher risk of cancer compared to those living more than 20 kilometers away.
A new study revisits forecasts made in 2002 about the world's rocky shorelines, finding some threats have materialized while others have not. The researchers highlight the importance of addressing issues like ocean acidification and plastic pollution to protect coastlines.
Researchers detected nanoplastic particles smaller than 1 µm in all depths analysed across the 12 measurement sites, with PET, PS, and PVC being the most common types. The study estimates around 27 million tonnes of nanoplastic are stored in the uppermost water layer of the North Atlantic.
Researchers estimate 27 million tons of nanoplastics in North Atlantic Ocean, shedding light on the 'paradox of missing plastic'. The discovery highlights the significant amount of plastic debris that has been underestimated and raises concerns about its impact on marine ecosystems.
New research claims adding lime to agricultural soils can remove CO2 from the atmosphere, rather than cause emissions. The study, based on over 100 years of data, shows that the addition of acidity is the main driver for CO2 emissions from soils.
A team of Korean researchers has successfully recreated a golden fiber akin to that of 2,000 years ago using the pen shell cultivated in Korean coastal waters. The breakthrough reveals the scientific basis behind its unchanging golden color and demonstrates the potential of eco-friendly materials.
A recent study led by WVU student Isabella Tuzzio found microplastics in every fish sampled from seven central Appalachian streams. The researchers discovered significant environmental risks and potential human health hazards due to the accumulation of microplastics in the food chain.
A new study published in the Journal of the American Heart Association found that residents in U.S. coastal counties near ocean waters with high concentrations of microplastics are at higher risk for Type 2 diabetes, coronary artery disease, and stroke. The study analyzed data from 152 counties and found a significant association betwe...