Articles tagged with Pollution
Mangrove forests worldwide are no longer in net decline and are now growing overall, driven by natural regeneration and expansion. The research highlights a more hopeful trajectory for these ecosystems, which play a critical role in protecting coastlines and storing climate-warming carbon.
Researchers identified tens of millions of small wetlands globally and found they produce a significant impact on methane emissions. Small wetlands have been difficult to detect due to their size, but high-resolution satellite imagery has revealed their substantial contribution to the world's total non-forested wetland emissions.
A recent review of decades of air pollution studies found that exposure to PM2.5 may harm heart health even at concentrations below EPA guidelines, affecting cardiovascular disease rates worldwide. Certain populations are particularly vulnerable, and increasing public awareness is key to preventing exposure.
A new study by researchers at UC Davis Health and Kaiser Permanente found that long-term exposure to fine air pollution particles (PM2.5) is associated with lower semantic memory, a type of brain's encyclopedia. The study analyzed data from 740 adults aged 53-94 and found no impact on executive function or verbal episodic memory.
A new study by Ellen Considine and Rachel Nethery shows that Indonesia's air pollution increased in 2018 and 2019 due to the diversion of plastic waste from China, which was previously a major import source. The team used satellite data to evaluate changes in fine particulate matter at 356 open dump sites in Indonesia.
A University of Cincinnati research team will examine how microplastics and nanoplastics accumulate in the body and affect cardiovascular health, with a focus on potential toxicity and worsening outcomes after a heart attack. The five-year study aims to advance understanding of microplastic impact on heart diseases.
Researchers from Virginia Tech found that airborne particles have an outer alkaline shell, contradicting the traditional view of uniform droplets. This discovery has significant implications for understanding air quality and climate change.
Researchers have developed a chemical upcycling method that converts existing plastics into new materials with rapidly degrading properties. This process has the potential to tackle global plastic pollution issues by replacing non-biodegradable plastics.
A study led by NTU Singapore found that land-use changes across Southeast Asia contribute to thousands of excess deaths annually due to worsening air quality. The estimated 13,000 excess deaths in 2018 were linked to forest degradation and deforestation, accounting for nearly 30% of the total deaths.
A global study of marine litter has identified food and beverage plastics as the leading contributors to ocean pollution, with plastic packaging, caps, and bottles dominating shoreline debris worldwide. The research highlights the urgent need for reduced plastic production and more efficient waste management practices.
A new study by University of East London researchers aims to gather data on microplastic contamination across the Thames, combining new sampling with existing datasets. The findings could inform discussions around wastewater management, river protection, and plastic pollution policy.
Common air pollutants can alter both brain and respiratory function within four hours of exposure, according to a new study. The source of the pollution matters more than its quantity, with different pollutant sources producing varied health effects even at identical concentrations.
Researchers in Brazil's Cerrado biome found that reducing stream sampling from 11 to 6 transects maintained reliable classification of streams as least-disturbed, moderately disturbed, or severely disturbed. The study suggests a streamlined approach can reduce field time and processing costs while preserving ecological indicators.
Researchers develop automated plasma-bubble technology that intensifies cold plasma-liquid interaction to transform industrial wastewater into a reusable fertigation medium. The technology fixes vital bioavailable nitrogen in wastewater, reducing organic loads and suspended particles while increasing plant growth rates.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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...
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.
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.
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 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.
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 '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.
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.
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.
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 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.
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.