Articles tagged with Pollution
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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...
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.
Researchers have developed a new method for cleaning oil spills using massive fire whirls, which can burn through crude oil nearly twice as fast as in-situ fire pools. The results show that fire whirls produce 40% less soot and consume up to 95% of the fuel, leaving fewer harmful particles behind.
Research by University of Missouri scientists found that road salt is deadly to freshwater snails when paired with the presence of predators, causing nearly 60% higher mortality rates. The study suggests practical solutions to reduce salt pollution in waterways, such as cutting road salt use by up to 50%.
A study analyzing news reports, social media posts, and internet search data during the 2022-2023 South Korea drought found that public views change depending on problem size and distance from people. Public interest, emotions, and behavior also shifted as the disaster scale changed.
A new study found that warmer nighttime temperatures during pregnancy may be associated with a higher risk of autism diagnosis in children. Exposure to extreme heat during early and late pregnancy increased the risk by 15% and 13%, respectively.
A new study by Cardiff University reveals how ambitious climate action can save up to 1.32 million lives per year by 2040 by addressing global air quality inequalities. The research highlights the importance of cross-border pollution exchanges in achieving health benefits and reducing inequality between countries.
A new study by Tokyo University of Science found that floods are the biggest drivers of plastic pollution in rivers, increasing microplastic and mesoplastic concentrations by orders of magnitude. The research highlights the need to include high-flow events when assessing plastic emissions.
Pentachlorophenol exposure triggers inflammatory responses and oxidative stress, leading to liver damage and compromised immune function. The study identified the Toll-like receptor signaling pathway as a key mechanism of PCP-induced immunotoxicity.
A new study found that children growing up in homes with water damage and exposed to high levels of outdoor air pollution have a greater risk of developing asthma. The study also revealed that having a dog during infancy can reduce the risk of asthma in children.
Research found that widespread contaminants like mercury and certain PFAS compounds affect the function of mitochondria in wild seabirds, potentially undermining fitness. The study measured pollutant levels and mitochondrial function in Scopoli's shearwaters and connected diet to exposure through stable isotopes.
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.
A new study by Ohio State University researchers found that some bottled water contains significantly higher levels of microplastics than tap water. The study used a novel method for detecting tiny particles and analyzed water samples from four treatment plants near Lake Erie and six different brands of bottled water.
Researchers found a significant decrease in lead concentrations in hair samples from Utahns, spanning over 100 years. The study demonstrates the impact of environmental regulations on public health and highlights the importance of protecting against toxic metals like lead.
A global strategy is required to address the issue of reduced ozone decline despite decreased emissions of precursor pollutants in North America and Europe. The study found that increased transport of ozone from abroad is the main driver of the weaker-than-expected decline of ozone levels.
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 the University of Birmingham found that air frying fatty foods produces fewer VOCs and ultra-fine particles compared to other cooking methods. However, repeated use without cleaning can negate some benefits for indoor air quality.
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.
Researchers found that particulate matter concentrations in Sarajevo exceed WHO recommended daily limits, with wood-burning stoves contributing to organic pollution. Sulphur dioxide emissions from old power plants also impact air quality, with the city's valley experiencing rapid pollutant drop at night.
A new study using satellite data confirms that California's shift to electric vehicles is making measurable differences in air quality and public health. For every 200 ZEVs added, nitrogen dioxide levels dropped 1.1%.
A new study found that US forests have stored more carbon in the past two decades than at any time in the last century. Natural forces such as temperature, precipitation, and carbon fertilization are among the largest contributors to carbon gains, while human drivers like tree-planting and forest management also play a role.