Articles tagged with Pollution
New method detects small microplastic concentrations up to 10,000 particles per cubic meter, with drift and sinking behaviors observed. Microplastics reach sea depths via biofouling or neutral buoyancy, affecting marine environment and necessitating urgent countermeasures.
A new study found that long-term exposure to toxic air can weaken the health benefits of regular exercise. The study analyzed data from over 1.5 million adults and found that people living in high pollution areas had a reduced risk of dying, but not eliminated, despite exercising regularly. Clean air can still enhance health gains, wit...
A new study reveals that persistent organic pollutants accumulate in tissues of sheep and their lambs from birth, transferring to the developing fetus. Concentrations of POPs in lamb tissues averaged 30–103% of those measured in the mothers.
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 University of Houston scientist teams with international partners to map Antarctica's glaciers, revealing tidal movements and retreat rates up to 700 meters per year. The dataset provides the most detailed view yet of how glaciers interact with the ocean, enabling better understanding and modeling of sea-level rise.
A study at the University of Buffalo discovered a new membrane that separates hydrogen from CO2 with a record-breaking selectivity of 1,800, outperforming previous rates by 18 times. The crosslinked polyamines-based membrane also exhibits self-healing properties and stability under extreme conditions.
A new paper argues that modern life has outpaced human evolution, leading to chronic stress and health issues. The researchers suggest that societies need to rethink their relationship with nature and design healthier environments to mitigate these effects.
Marine carbon dioxide removal technologies have the potential to play a role in mitigating global warming, but verifying their effectiveness and ensuring they don't harm the ocean is crucial. The European Marine Board report highlights the need for measures to ensure these technologies are used responsibly.
A long-term study found that prescribed burning significantly enhances the net productivity of plots with three treatments, increasing carbon sequestration capacity while maintaining large fire-resistant trees. This approach can help reduce wildfire hazard and support California's goal of net zero carbon by 2045.
Research by University of Birmingham scientists reveals that lower-income individuals are more likely to own cheaper, higher-emitting vehicles contributing disproportionately to local urban air pollution. Spending an additional £10,000 on a diesel vehicle is associated with a 40% reduction in nitrogen oxide emissions per litre.
Researchers explore using municipal solid waste as a low-emission, cost-effective feedstock for sustainable aviation fuel, reducing greenhouse gas emissions by 80-90%. The study suggests that adopting municipal solid waste-based jet fuels could save airlines money under carbon pricing systems.
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.
A new study by MIT researchers and their collaborators at national laboratories quantifies I-129 release under three different scenarios: direct disposal in deep underground repositories, dilution and release, and filters to capture I-129. France's practice of reprocessing releases 90% of I-129 into the biosphere, while U.S. approach l...
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.
A study analyzing US birth records found that a cap-and-trade initiative to reduce ozone pollution significantly improved infant health outcomes, including higher birth weight and lower rates of low birth weight and very preterm birth.
Researchers at the University of British Columbia have identified eight per- and polyfluoroalkyl substances (PFAS) in B.C. sea otters, with concentrations three times higher on average in otters near major cities and shipping routes. This proximity effect highlights the need for government regulation to prevent PFAS spread.
Researchers analyzed liver and skeletal muscle samples from dead sea otters and found high levels of toxic 'forever' chemicals, linked to increased disease mortality. Concentrations were three times higher near major cities and shipping routes, highlighting a significant health risk to the species.
A study warns that Ukraine's soils are losing vital crop nutrients due to reduced fertilizer access and inefficient farming practices. To mitigate this, the authors recommend better farm management, efficient use of fertilizers, and introducing legumes into crop rotations.
A practical, evidence-based checklist developed by scientists at the University of Surrey is helping everyone plan their next greening project with confidence. The study found that mixed gardens, such as small front gardens with a tree, shrubs, and green walls, give the greatest economic benefits for their size.
The ATP-DEC calculator provides accurate and transparent information on carbon disclosure, helping align aviation with climate targets. It captures real-world variations and life cycle emissions, making it a crucial tool for policymakers, airlines, and passengers.
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.
The Lancet Countdown report reveals that the world is facing unprecedented levels of health threats due to climate change, with millions of lives lost unnecessarily. The report calls for urgent action to limit future harm by prioritizing human health in policy decisions.
A new study reveals Low-Cost Source Apportionment (LoCoSA) is being used to great effect across the Global South, offering a powerful tool for improving public health and environmental policy. Researchers are now putting their findings into practice in Uganda, identifying and understanding dominant sources of Kampala's air pollution.
A multiyear analysis of over 400,000 women and 28,000 breast cancer cases found a strong association between outdoor air pollution and increased breast cancer incidence. The study suggests that reducing car traffic and promoting alternative transportation can help mitigate this risk.
The global construction sector's carbon footprint is projected to double by 2050, driven by cement, steel, and brick emissions. A material revolution is needed to reduce reliance on these materials and explore low-carbon alternatives.
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 team of scientists introduces a nature-based solution to tackle global soil pollution by harnessing microbes and iron minerals. Microbial iron mining removes toxic substances like heavy metals and organic pollutants, transforming them into less hazardous forms.
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.
A study published in npj Clean Air found significant reductions in NO2 and NOx pollution following the introduction of ULEZ in 2019. The team also found that the benefits extended beyond the designated zone, indicating a wider spill-over effect.
Scientists found that breathing dusty air from the Salton Sea can alter the lung microbiome and trigger immune responses in mice. The study suggests that chronic exposure to such dust could have significant health effects, including asthma.
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.
A study by Pusan National University finds that aerosols intensify ocean rainfall while delaying land storms, affecting water resources and flood protection. High aerosol levels alter precipitation patterns, with increased rainfall over the ocean and decreased rainfall over land.
A new study suggests that electric vehicles can help mitigate climate change and public health issues by strategically charging and discharging from the grid. By doing so, EVs can sell stored energy back to the grid, reducing emissions and helping to build more renewable energy generators.
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.
Johannes Lelieveld's research on air quality, emissions, and climate change has demonstrated the interconnectedness of these issues. His work provides new insights into human health risks and informs policy decisions to address pressing societal challenges.
A recent study using citizen science found that household dryers release both natural and synthetic microfibers into the environment. The research estimates that 3,543 metric tons of microfibers are released each year nationwide, with a significant portion coming from natural fabrics.
Researchers found a strong link between compound droughts and wildfires in California, leading to increased fine particulate matter (PM2.5) concentrations. The study shows that severe droughts can substantially raise wildfire risk, with PM2.5 levels increasing by 9.5·m³ under extreme conditions.
A combination of wetland plants and a specific fungus has been found to be highly effective in removing per- and polyfluoroalkyl substances (PFAS) from contaminated wastewater. The fungus, Rhizophagus irregularis, boosts the ability of wetlands to remove PFAS, reducing environmental risks associated with these long-lasting compounds.
A new study estimates that ongoing childhood lead exposure costs the world over $3.4 trillion annually, with disproportionate impacts on low- and middle-income countries. The researchers propose a four-pronged strategy to curb a resurgence in global inequalities and set back progress in children's health.
During a federal government shutdown, coal-fired power plants increased daily emissions of particulate matter, while sulfur dioxide and nitrogen oxide emissions remained steady. The findings highlight the importance of stable enforcement and continuous monitoring for reducing pollution and protecting public health.
Rice exposed to nanoplastics and cadmium suffered a 16% loss in biomass, but biochar treatment increased biomass by over 80% and restored chlorophyll and protein levels. Biochar formed a physical barrier, trapped pollutants, and enhanced antioxidant activity.
A new study found that nearly half of UK households underestimate how much plastic they throw away each week, with online shoppers being the most unconscious consumers. The research calls for supermarkets to change infrastructure and systems to promote reuse and refill schemes.
Researchers at Tohoku University utilized AI to develop strategies for water treatment and air pollution control. The study highlights innovative approaches using machine learning in material screening and global distribution simulation of pollutants.
A new review warns of growing heavy metal threats in reservoirs, highlighting the need for smarter monitoring and greener cleanup solutions. Researchers identify sources, risks, and promising solutions to tackle this global challenge.
A multi-national study found that higher levels of air pollution are linked to worse symptoms of obstructive sleep apnea (OSA) in European patients. The study revealed a modest but measurable increase in the apnoea hypopnea index (AHI) for every one unit increase in PM10 concentration.
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.
Researchers have discovered microplastics in the endangered Indus River dolphin, finding fibers and other particles in the GI tracts of all five stranded individuals. The study highlights the urgent need for conservation strategies to address this pollution issue.
Exposure to lower levels of air pollutants is associated with improved vision in children, suggesting that reducing exposure could slow the progression of myopia. Children who live in areas with cleaner air have better vision, especially younger students.
Researchers have developed a low-cost material that can clean antibiotics out of water, using steel sludge as a valuable resource. The biochar breaks down tetracycline through chemical reactions, removing over 85% in just two hours.
Brazilian researchers analyzed over 60 scientific articles on microplastics and their impact on bone health. They found that the materials can impair bone marrow stem cells, accelerate cell aging, and promote inflammation, leading to potential bone weakening and fractures.
Researchers have found that plastic nanoparticles can enter crops during growth, accumulating in edible parts and potentially affecting human health. The study used radishes to demonstrate the uptake of nanoplastics by plants, with nearly 5% of particles retained by the root system.
A new study reveals that small electric charges between particles play a crucial role in forming highly concentrated clusters in turbulent environments. This discovery has significant implications for climate research, medicine, engineering, and science, enabling better predictions and controls.
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.
The IUCN Microbial Conservation Specialist Group is a new coalition of experts aiming to integrate microbiology into global biodiversity governance. The group's priorities include building a global network, mapping microbial conservation hotspots, developing microbe-specific Red List criteria, and mapping existing projects.
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.
Research by ETH Zurich reveals human-induced climate change has increased extreme heat wave frequency and severity, with fossil fuel and cement production contributing significantly. The study highlights the responsibility of large carbon emitters, such as oil and gas companies, in exacerbating heat waves.
Researchers found little evidence of disproportionate siting in Black counties, but a growing share of the Black population over time. Long-term demographic shifts after power plant openings led to higher Black population shares, with an average rise of 4% in 50-70 years.
Microbial communities around alkali waste barrels have low diversity and are dominated by alkalophilic bacteria, similar to those found at hydrothermal vents. The ecological effects of caustic alkaline waste dumping are expected to take thousands of years to cease.
Researchers found that caustic alkaline waste in corroded metal barrels off Los Angeles created extreme environments mirroring natural hydrothermal vents. The discovery suggests the waste has persisted for over half a century, joining DDT as a persistent pollutant with long-term environmental impacts.