Pollution
Articles tagged with Pollution
Could sea squirts' nano-packaging delivery system help restore sea forests?
A smarter way to measure how streams clean themselves
A new approach using Michaelis-Menten enzyme kinetics offers a direct fix for estimating nutrient uptake length in streams. The zero-order method substantially outperforms the first-order approach under saturation, providing more accurate estimates of stream filtration capacity.
Everyday air pollution linked to poorer brain function, study finds
Environmental chemicals may interfere in infants’ bone development
Research suggests that exposure to environmental pollutants in early life can negatively affect bone development. A study of 88 healthy infants found associations between certain endocrine-disrupting chemicals and lower bone mineral density, emphasizing the importance of protecting vulnerable windows during pregnancy and after birth.
The 28th European Congress of Endocrinology (ECE) starts tomorrow
Hasanuddin University study paves way for sustainable construction in sugar-producing regions
Drug contamination traces may linger in cars, even after ventilation
Scientists stunned: Volcano cleans up after itself by removing methane from the air
Researchers discovered that a volcano's eruption can clean up methane pollution by breaking it down into formaldehyde. The phenomenon could potentially be key to slowing global warming and has implications for reducing methane emissions.
$10 million grant funds research and solutions on ‘forever chemicals’
A $10 million grant from the National Institute of Environmental Health Sciences will support research on PFAS health effects and translate discoveries into real-world solutions. The study aims to identify links between PFAS exposure and metabolic conditions, such as obesity and type 2 diabetes.
Renewable energy is more cost effective than direct air capture at reducing carbon, new study finds
A new study published in Communications Sustainability reveals that investing in renewable energy yields more combined climate and public health benefits than direct air capture. The analysis models the health and climate benefit of cost-equivalent deployments of DAC, solar, and onshore wind across US grid regions from 2020 to 2050.
Tunnel workers report being exposed to significant silica dust risks: research survey
A national survey of Australian tunnel construction workers found significant silica dust exposure risks, with many reporting barriers to effective dust control measures. The study calls for stronger regulatory enforcement and oversight to prevent preventable disease in the high-risk industry.
Air pollution exposure in the womb linked to worse language and motor development
A study by King's College London found that babies exposed to high levels of air pollution in the womb show slower signs of development at 18 months compared to those exposed to lower levels. This is particularly true for premature babies, who experience poorer motor and language skills.
Heatwaves and coldwaves are increasing cardiovascular events
A study published at ESC Preventive Cardiology 2026 found that climate change is driving extreme weather events, leading to increases in major cardiovascular events. Heatwaves had an immediate impact, while coldwaves produced a delayed and more sustained effect. Air pollution further amplified the effects of extreme temperatures.
Tire and rubber chemicals leave decades-long contamination record in Lake sediments
Researchers discovered high concentrations of tire- and rubber-related chemicals in Lake Sihwa sediments, with patterns reflecting changes in industrial activity and pollution control measures. The study provides a baseline for sediment concentrations, enabling understanding of future trends and potential risks to aquatic organisms.
Crab shell by-products could help regulate the marine lifetime of biodegradable plastics
Researchers find crab shell waste alters microbial communities on biodegradable plastics, reducing breakdown rate. The effect persists even without direct contact, suggesting biochemical compounds released from crab shells trigger changes in the plastisphere.
From air to tea: new sensor reveals invisible pollution in minutes
A new measurement technique using nanomembranes and infrared light detects tiny amounts of substances in minutes, reducing sampling time by 100-fold. The technology analyzes particles accumulating on a tiny membrane, heating it up when certain wavelengths are absorbed.
Mapping microplastic movement in rivers and streams across Pennsylvania
A recent study investigated microplastic movement in freshwater ecosystems across Pennsylvania, finding that watersheds with higher population densities and adjacent wastewater treatment plants had higher concentrations of microplastics. The research also revealed local features, such as forests and rural areas, play a critical role in...
Floatable, biodegradable composite beads show promise for large-scale oil spill remediation
Researchers have created a novel sorbent made from chitosan/cellulose acetate and bentonite composites that show promise for cleaning up oil spills. The beads are floatable, biodegradable, and environmentally compatible, making them an efficient and cost-effective solution.
MIT study shows youth may increase vulnerability to a carcinogen found in contaminated water and some drugs
A new MIT study suggests that exposure to NDMA, a chemical contaminant in drinking water and some medications, can cause cancerous mutations more severely in children than adults. The researchers found higher rates of DNA damage and cancer in juvenile mice exposed to low levels of NDMA.
Air pollution associated with increased migraine activity
A recent study published in Neurology found an association between air pollution and increased migraine activity, suggesting that environmental factors may trigger attacks. Researchers found that high levels of particulate matter and nitrogen dioxide were linked to more frequent visits to the hospital or clinic for migraine.
Global urban methane emissions are growing more than estimated
A new study by University of Michigan found that global urban methane emissions have risen 6% since 2019, with C40 cities facing a 30% increase in their emission reduction targets. The discrepancy between satellite measurements and accounting estimates highlights the need for more accurate monitoring and mitigation strategies.
High levels of forever chemicals in Svalbard reindeer
Researchers have discovered high levels of forever chemicals like PFAS in Svalbard reindeer, while toxic metals such as cadmium and lead have shown a decrease. The study suggests that PFAS levels have skyrocketed over the past decade, with implications for human consumption of the animals.
Study links PFAS exposure to weaker immune response, underscoring need for water protections
A new study found that exposure to PFAS may weaken the immune system in adults, raising concerns about long-term health effects of these widely used chemicals. The research highlights the importance of reducing PFAS levels in drinking water to protect public health.
New biochar composite tackles arsenic pollution and methane emissions in rice paddies
A new study reports a promising solution to address both arsenic contamination and greenhouse gas emissions in rice paddies using an engineered biochar material enhanced with titanium dioxide. The findings highlight a new strategy to improve food safety while lowering agriculture’s climate footprint.
Intelligent monitoring pipe detects and predicts 3D soil settlement
Researchers developed an intelligent monitoring pipe combining optical sensing and machine learning to monitor and predict 3D soil settlement. The system provides precision 3D measurements, capturing dynamic changes in soft or unstable soils like loess.
Children living near the Salton Sea in Southern California show slower lung function growth
A long-term study found children living near the Salton Sea have slower lung function growth, with effects comparable to freeway exposure. The researchers controlled for various factors and found that dust exposure was linked to lower lung capacity, suggesting potential long-term health implications.
MIT researchers measure traffic emissions, to the block, in real-time
A new study by MIT researchers provides a high-resolution picture of auto emissions in NYC, allowing for more effective transportation and decarbonization policies. The method produces detailed data that bridges the gap between citywide emissions inventories and individual vehicle analyses.
Air surveillance reveals hidden reservoirs of antibiotic resistance genes
A review by an international team of researchers highlights that air monitoring is essential for global public health strategies, as airborne antibiotic resistance genes can spread silently between humans, animals, and the environment.
Cow manure digesters really cut methane — unless they leak
A new study finds that dairy manure digesters are highly effective in reducing methane emissions from cow manure, with most systems performing well. However, occasional leaks of large magnitude offset the climate benefits, highlighting the need for thorough monitoring and verification.
University of Cincinnati opens state-of-the-art zebrafish research facility to study infertility
The University of Cincinnati has opened a zebrafish research facility to investigate the effects of environmental contaminants on human fertility. The lab will use zebrafish as a model organism to understand molecular mechanisms behind reproductive biology and infertility.
“Action for Earth” Summit at Hong Kong Climate Week convenes global leaders advancing climate adaptation policy and action
The 'Action for Earth' Summit brings together global leaders to examine policy pathways, frontier research, and actionable strategies for climate adaptation. The summit features keynote sessions on priority policies and frontier research, as well as a roundtable discussion on accelerating cross-border climate action.
Scientists warn antibacterial soaps and wipes can fuel antimicrobial resistance
A growing body of evidence suggests that daily use of antibacterial soaps, wipes, and other household products contributes to the global rise of antimicrobial resistance. Researchers call for policymakers to restrict these ingredients when there is no evidence of efficacy, reducing chemical pollution and protecting public health.
Air pollution alerts deliver big health benefits for Chinese cities
A new study finds that air pollution alerts issued in China's cities significantly reduce PM2.5 levels and prevent nearly 54,000 premature deaths over a five-year period. The alerts trigger short-term actions to limit pollution, resulting in a 30-40% reduction in acute mortality risk due to PM2.5.
Seashell saviors: discarded oyster shells can clean polluted water by removing "rare earths"
Researchers at Trinity College Dublin have discovered that crushed oyster shells can capture and remove rare earth elements from polluted water. The shells trigger a chemical reaction that converts dissolved metals into solid mineral crystals, making them an effective tool for environmental cleanup.
Are mercury levels elevated across US conservation lands?
A study analyzing dragonfly larvae found moderate to high-risk mercury sites across 30 US National Wildlife Refuges, posing threats to fish, wildlife, and human health. The research provides baseline measurements for tracking change and informs future management actions to reduce mercury bioaccumulation.
A complicated future for a methane-cleansing molecule
A new model developed by MIT scientists suggests that the hydroxyl radical, a key air cleanser, may boost methane breakdown levels due to rising water vapor but also reduce them due to increased biogenic emissions, resulting in a small net gain in its effectiveness.
Bio-based polymer offers a sustainable solution to ‘forever chemical’ cleanup
Researchers at the University of Bath have discovered a renewable, bio-based polymer membrane capable of efficiently capturing toxic 'forever chemicals' from water. The new membrane can trap and hold over 94% of PFOA from water, allowing for rapid, reliable, and reusable cleanup.
BGU study reveals road noise compromises nearly half of Israel’s open spaces for nesting birds
A BGU study uses 'soundscape mapping' to quantify the impact of road noise on bird habitats, revealing massive habitat loss and protected areas under threat. The research suggests integrating noise mitigation technologies into environmental planning to protect biodiversity.
Registrations open for São Paulo School of Advanced Science in Microplastics
The São Paulo School of Advanced Science in Microplastics is an intensive course designed to help students tackle plastic pollution. The program covers four frameworks: inside, on, around, and regulatory aspects of microplastics.
Jeonbuk National University researchers reveal safer way to manage chemical sewage sludge using pyrolysis
A study by Jeonbuk National University researchers highlights the potential risks of chemical-enhanced primary treatment (CEPT) sewage sludge, but also shows that thermal treatment can lead to secondary heavy metal pollution. The team recommends using lower pyrolysis temperatures to enhance sustainability.
Major collaboration launched to protect Lake Erie and Rouge River
A three-year grant from the Great Lakes Water Authority funds a research team led by Wayne State University to improve phosphorus removal efficiency at the GLWA Water Resource Recovery Facility. The project aims to reduce harmful algal blooms and ensure compliance with stringent environmental regulations.
Ocean bacteria team up to break down biodegradable plastic
Researchers discovered 30 bacterial species that break down biodegradable plastic, revealing speed and factors influencing degradation. The study highlights the importance of understanding microbial communities and plastic chemistry in plastic biodegradation.
Coastal ocean chemistry now substantially shaped by humans
A global analysis of over 2,300 seawater samples reveals human-made chemicals make up a significant portion of organic matter in coastal oceans. Industrial chemicals, including plastics and consumer products, dominate the anthropogenic chemical signal, persisting even 20 kilometers offshore.
Improperly disposed wet wipes could shed microplastics in rivers
Studies report that improperly disposed wet wipes can break down into microplastics, polluting rivers and harming aquatic life. Researchers analyzed 72 product labels, finding that only 7% clearly indicated safe disposal methods.
Researchers reveal distinct roles of NO₂ versus NO and synergisms with SO₂ on β-Myrcene photooxidation
A study published in Environmental Science & Technology reveals distinct roles of NO2 versus NO in β-myrcene photooxidation and their synergistic interactions with SO2. NO2 enhances SOA yield and increases oxygen-to-carbon ratio, while NO suppresses particle nucleation and promotes particle growth.
Where wells run deep, biodiversity runs thin
Conventional oil and gas infrastructure leaves a deeper mark on freshwater biodiversity than shale gas development in Pennsylvania, according to a new study. The research analyzed over 6,800 benthic macroinvertebrate samples and found conventional development was linked with fewer species and a decline in ecosystem health.
Nitrous oxide, a product of fertilizer use, may harm some soil bacteria
A study by MIT researchers found that nitrous oxide can hamper the growth of certain soil bacteria dependent on vitamin B12 for methionine biosynthesis. The findings suggest that N2O production in agricultural settings could influence microbial communities, potentially impacting crop health.
Black soldier fly larvae show promise for safe organic waste removal
Researchers found that black soldier fly larvae can break down RNA viruses in organic waste, reducing potential risks. The larvae's frass still contained some active viruses, highlighting the need for additional treatment.
Air pollution from wildfires linked to higher rate of stroke
A preliminary study found that short-term exposure to wildfire smoke was associated with a higher incidence and severity of stroke, particularly in patients with elevated ozone and particulate matter levels. The study suggests that public health interventions during wildfires are crucial for preventing strokes.
New journal highlights how artificial intelligence can help solve global environmental crises
The journal argues that AI can process vast datasets to detect patterns and predict climate impacts, improving pollution tracking, climate modeling, and agricultural planning. AI-driven modeling can also help policymakers evaluate tradeoffs and anticipate unintended consequences, supporting more informed decision-making.
Low smoke doesn’t mean low‑risk: All solid fuels found to emit ultrafine particles
New research reveals that burning 'low smoke' manufactured fuels releases tiny ultrafine particles, potentially harming human health. The study highlights the urgent need to revise air quality standards and reduce residential solid fuel burning as part of efforts to decarbonize the economy.
Trophodynamic of organophosphate ester in a typical terrestrial food chain from the Tibetan Plateau
Researchers found widespread occurrence of tri-OPEs and di-OPEs in the Tibetan Plateau's terrestrial ecosystem. The study confirmed the trophic dilution behavior of OPEs along a representative food chain, with bio-transformation and metabolism playing key roles.
Political polarization can spur CO2 emissions, stymie climate action
A new study found that countries with more partisan hostility emit significantly more CO2 from power plants, hindering climate regulation. In contrast, countries like Great Britain, which framed the shift towards renewable energy as a national endeavor, have been able to rein in their worst-polluting facilities.
Green turtle nests may bury ‘plastic rocks’ and endanger the species
Researchers from São Paulo State University detected plastic rocks on Trindade Island, Brazil's easternmost territory, where green turtle nests are conducive to plastic accumulation and burial. The study highlights the need for public policies to manage plastic waste and coordinated actions to clean up beaches.
Water: the unlikely hero in creating next-generation green hydrophobic materials for environmental cleanup
A new mechanochemical approach uses water as a catalyst to transform renewable resources into high-performance porous materials capable of capturing CO2 while removing pollutants. The method produces carbon-negative materials with exceptional hydrophobic characteristics and scalable production.
E-waste chemicals are appearing in dolphins and porpoises
Research reveals that liquid crystal monomers from household electronics accumulate in the brains of endangered dolphins and porpoises. The chemicals have been linked to altered gene activity and potentially negative impacts on marine mammals.
Waterloo researchers turning plastic waste into vinegar
Researchers at the University of Waterloo have discovered a way to convert microplastic waste into acetic acid, the main ingredient of vinegar, using sunlight. The breakthrough offers a promising new approach to reducing plastic pollution through photocatalysis, creating a valuable chemical product.
Strategic changes in water treatment could prevent disease outbreaks
A University of Minnesota study investigated a 2023/2024 Legionnaires' disease outbreak in Grand Rapids, Minn. and found that introducing disinfection to untreated groundwater stopped the spread of the disease. The city implemented chloramine disinfection, which dropped Legionella levels so low they could no longer be detected, resulti...
When too much of a good thing becomes dangerous
Global study finds that nitrogen pollution causes forests to follow two distinct patterns in response to added nutrients, with some experiencing a boost and others collapsing. The findings highlight the importance of reducing nitrogen levels to stabilize forest soil carbon pools and maintain natural respiration rhythms.