A study found that US adults receiving hemodialysis with high air pollution exposure have more heart attacks and strokes compared to those with low exposure. The strongest associations were noted among patients who were Asian, older, or had chronic lung disease at dialysis initiation.
A new study published in Neurology found that living in areas with higher air pollution is associated with an increased risk of in-hospital death from stroke. The risk varies depending on the size of the air pollution particles, with fine particulate matter (PM2.5) posing a significant threat.
Researchers at Nagoya University developed a device combining an air-curtain and LED irradiation to inactivate viruses in close environments. The technology blocks exhaled air and destroys virus particles, inactivating 99.9% of COVID-19 particles.
Researchers developed a desktop air curtain system that blocks all incoming aerosol particles, effective as an indirect barrier in healthcare settings. The device's blocking effect was tested on patients during blood collection, showing promising results.
Researchers at University of Limerick developed a new sponge-like porous material capable of capturing trace amounts of benzene, a toxic pollutant, from the air with low energy consumption. The material has strong affinity for benzene and can capture it even when present at very low concentrations.
An anti-idling campaign at two elementary schools reduced idling time by 38% and improved air quality, according to a study published in the Atmosphere journal. The campaign, which involved teachers and parents, also found localized pollution hotspots around schools caused by car emissions.
Research using a network model and air pollution data before and during COVID-19 outbreaks found that surrounding traffic conditions influenced air quality in certain cities. Pollution tended to peak in cities as they contained the virus, with some cities experiencing worse air quality than ever.
Exposure to certain air pollutants is associated with a greater likelihood of testing positive for SARS-CoV-2. The study found a significant link between traffic-related pollutants and COVID-19 infection risk, suggesting that improving air quality may have public health benefits.
Wildfires in the Pacific Northwest are altering seasonal air pollution patterns and causing a spike in unhealthy pollutants in August. The research found that carbon monoxide levels have increased sharply, indicating the extent of smoke's impacts on clean air gains.
A new study reveals rapid degradation in air quality and increases in urban exposure to hazardous pollutants in tropical megacities. The research found significant annual increases in pollutants like nitrogen dioxide and fine particles, attributed to emerging industries and residential sources.
Researchers at KIST developed a bifunctional electrocatalyst with a staggered p-n heterojunction that significantly improves the rates of oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) in zinc-air batteries. The technology utilizes solar energy, resulting in improved energy density and excellent cycle performance.
Research suggests California's environmental regulations preferentially protect white populations from exposure to air pollution. Asian and Hispanic communities experience significantly more air pollution compared to predominantly white neighborhoods across the state. The study finds that even after accounting for income, disparities i...
Researchers found that using indoor fans can increase the indoor temperature threshold before discomfort sets in by 3-4°C, reducing the need for air conditioners. The study also revealed a significant reduction in energy consumption and associated greenhouse gas emissions by up to 70%.
A new study developed by Jenna Krall predicts air pollution model performance in health studies, improving their accuracy. The approach helps determine whether air pollution prediction models can be used in epidemiologic studies, assessing health effects.
The University of Surrey has developed a method to capture CO2 directly from the air and use dynamic catalysis to create carbon-negative methanol, which could offset the cost of direct air capture. The project aims to produce a valuable chemical that can help scale up direct air capture technology.
A new study from the University of Surrey found that three-quarters of kitchens in low-income homes across 12 major global cities are heavily polluted by cooking emissions. The most significant contributors to poor air quality were poor ventilation and fuel choices, with frying food leading to particularly high levels of indoor pollution.
Researchers find controlling humidity in air conditioners causes roughly half of energy-related emissions, with temperature control causing the other half. New technologies like liquid desiccant-based cooling cycles could improve efficiency by 40% or more.
A new study published by the American Psychological Association found a link between ozone levels and an increase in depressive symptoms in adolescents. Higher ozone levels were associated with significant increases in depressive symptoms over time, even in neighborhoods that met air quality standards.
A recent study published in Environmental Research found a significant association between air pollution and low birth weight in Israel. The study, which analyzed data from over 380,000 births, revealed that mothers who were underweight or of lower socioeconomic status were more vulnerable to exposure to air pollution.
A Chinese satellite monitored a significant decrease in nitrogen dioxide emissions globally during the COVID-19 pandemic, with some cities experiencing sharp reductions after lockdown measures were implemented. The study also found decreases in formaldehyde and increases in volatile organic compounds in some regions.
A Surrey study found that babies and children in bike trailers breathe in more polluted air than their parents, but using trailer covers can reduce exposure by half. The researchers also discovered a significant reduction in air pollution during lockdown periods.
A study published in PLOS Medicine found that reducing air pollution exposure can slow cognitive decline in older women, with benefits seen across various demographics. The research followed 2,232 women for up to 20 years, revealing a significant association between improved air quality and reduced cognitive decline.
A Texas A&M University study reveals that indoor air quality in homes is often worse than in office buildings, with higher concentrations of fine particulate matter and volatile organic compounds. The research suggests that remote workers are exposed to poorer health outcomes due to inadequate home air quality.
A transparent air filter with a copper nanowire network enables self-sterilization through chemical and thermal disinfection, as well as capture of airborne particles. This innovation addresses the need for antimicrobial filters while preserving visual communication.
Researchers at NIMS and Softbank Corp. have created a lithium-air battery with an energy density of over 500 Wh/kg, significantly higher than existing lithium-ion batteries. The new battery can be charged and discharged at room temperature, showcasing the highest energy densities and best cycle life performances achieved.
Air pollution prediction models in China require consideration of rapid human activity changes and decadal climatic factors. Developing accurate seasonal to interannual predictions is crucial for government planning and air quality control.
A new study found that reducing air pollution can lower dementia risk among older women by decreasing their likelihood of developing dementia. The benefits were consistent despite differences among participants in age, geographic area, socioeconomic background, and other factors.
A study by Princeton University researchers recommends increasing heat pump use in rural households to improve air quality and health in northern China. Heat pumps provide the largest reductions in both air pollutant and carbon emissions, especially when used with a decarbonized power grid.
A recent study found that large wildfires and severe heat events worsen air pollution across the western United States, affecting 68% of the region's population in one day. The study revealed an increasing trend in days with high levels of both particulate matter and ozone, tied to rising temperatures and wildfires.
A new modelling framework internalizes air pollution's economic impacts on human mortality, considering climate constraints and aerosol feedback. The study finds that optimized air pollution interventions generate considerable health benefits, avoiding 1.62 million premature deaths by mid-century.
A new CU Boulder study reveals that iodine from desert dust can decrease ozone air pollution but prolong greenhouse gas lifetimes. The finding has significant implications for air quality and climate, forcing researchers to re-evaluate how particles from land impact the atmosphere's chemistry.
A new study led by researchers at the University of Gothenburg found that trees contribute to cleaner air in cities. The study measured pollutants in tree leaves and compared them with air pollution levels, showing a clear correlation between the two.
A new study by Carnegie Mellon University estimates that current regulatory analyses of air pollution significantly understate mortality costs among racial minorities. The study found that using race- and ethnicity-specific data increases premature mortality estimates related to PM2.5 from pollution exposure, with a $100 billion annual...
A study by Stockholm University researchers found that PFAS from the ocean re-emitted into air with crashing waves significantly contribute to PFAS air pollution in coastal areas. The transportation of toxic substances from seawater to marine air via sea spray aerosols poses a significant threat to health and the environment.
A new study found that air pollution in areas with high levels of particulate matter and nitrogen dioxide can negate the benefits of vigorous physical activity on certain markers of brain disease. This includes reduced white matter hyperintensities and gray matter volume, indicating poorer brain health.
Researchers used creative methods to explore perceptions of air pollution with local communities in Nairobi's informal settlements. They found contrasting definitions of air pollution and differing views on who was responsible for solutions.
Researchers at Michigan State University are developing wearable devices to track air pollution exposure, providing unprecedented data on air quality over space and time. The devices will help inform policies and interventions to protect vulnerable populations from the health impacts of air pollution.
Researchers at Texas A&M University developed a simulation tool to accurately assess the levels of specific marker compounds in organic aerosols. This helps government agencies monitor human-made sources of carbon-based pollutants and develop emission control measures for cleaner air.
Researchers from York University found that COVID-19 lockdowns in India had less impact on air pollution than initially thought. The study revealed that local sources of emissions, such as vehicles and fuels, had less influence on air pollutant levels than regional emissions sources.
Research by Binghamton University economists found that COVID-19 lockdowns led to a significant improvement in air quality for minority neighborhoods in rural New York, narrowing the existing gap with majority white neighborhoods. The study suggests stronger regulation can improve air quality in polluted areas.
A new study found that air pollution is a major health risk for people living in low-income neighborhoods with high concentrations of PM2.5, leading to increased rates of chronic diseases and mortality. The study highlights the need for targeted policy solutions to address environmental health disparities.
High air pollution exposure worsens COPD patients' quality of life, while living far from green spaces also reports negative effects. Access to blue and green spaces improves mental and physical health through increased physical activity.
The GEMM Initiative aims to bridge the gap between science and policy by providing local governments with actionable, real-time greenhouse gas and pollution emission data. This will enable policymakers to make informed decisions on reducing climate change and air pollution in their cities.
Researchers at University of Maryland School of Medicine discovered that air pollution causes inflammation in the brain, leading to reduced sperm counts in mice. The findings suggest it may be possible to develop treatments for various medical conditions caused by air pollution.
A German study reveals that glyphosate and dozens of other pesticides are spreading through the air for miles into national parks and cities. The analysis was published in a peer-reviewed journal and shows that agricultural toxins like glyphosate are classified as probably carcinogenic to humans by the World Health Organisation.
A new study finds that air pollution is responsible for 1.1 million deaths across Africa in 2019, with household air pollution accounting for 700,000 fatalities. The study also reveals that air pollution is costing African countries billions in gross domestic product and hindering the intellectual development of children.
A large national study from Harvard T.H. Chan School of Public Health found that long-term exposure to permissible concentrations of air pollution increases mortality risk, particularly among elderly people and those living in lower-income areas. The study suggests current air pollution limits are inadequate to protect vulnerable groups.
A Brazilian study examines the causal relationship between outdoor air pollution and students' cognitive performance in Brazil. The findings suggest that an increase of 10 micrograms per cubic meter of PM10 decreases students' scores by 6.1 points, with poorer students more susceptible to air pollution's effects.
The Hedge Design for the Abatement of Traffic Emissions (HedgeDATE) online tool offers personalized recommendations for reducing traffic-related air pollution. By inputting their environment details, users can receive tailored advice on how to improve air quality through simple and effective actions.
New experiments found that poorly mixed room air can lead to increased exposure to airborne contaminants, with occupants at risk of respiratory aerosols from others up to 5-6 times higher. Portable air cleaners using air pull-down can provide a simple solution to improve ventilation and reduce the risk.
A one-year study found that increased concentrations of fine particulate matter (PM2.5) and lower ventilation rates were associated with slower response times and reduced accuracy on cognitive tests, affecting employees' productivity.
Air pollution attributed to lung cancer ranks highest in Balkan countries and Poland, particularly among those aged 50-69. The top five countries are Serbia, Montenegro, North Macedonia, Bosnia/Herzegovina, and Poland.
A new study quantifies the contribution of agricultural and forest fires to poor air quality in Southeast Asia, finding that preventing these fires could reduce premature deaths by an estimated 59,000 annually. The region's poorest communities are disproportionately exposed to air pollution from these fires.
Researchers found that residents in San Francisco and Los Angeles reduced PM2.5 particulate matter by half indoors on smoky days, despite outdoor levels remaining three times higher. Newer homes with central air conditioning performed better at keeping wildfire smoke out.
A study published in The BMJ found that long-term exposure to air pollution below current standards is associated with higher mortality rates. Researchers analyzed data from eight European groups and found that even at low concentrations, particulate matter, nitrogen dioxide, and black carbon were linked to increased natural deaths.
A new study has detected high levels of PFAS chemicals in indoor air, particularly in carpets and other products treated with the forever chemicals. The research suggests that children may be exposed to these harmful substances through inhalation, highlighting the need for reduced use of PFAS in products.
A study of over 13,000 people found that exposure to air pollution is associated with increased use of mental health services among those with psychotic and mood disorders. Initiatives to lessen air pollution could improve outcomes for these individuals and reduce healthcare costs.
A study developed an HVAC system with HEPA filters, reducing particulate matter removal time in classrooms. The system's optimized airflow control enables efficient PM removal and maintains even indoor air distribution.
A new study from the University of Surrey found that keeping car windows open while wearing a mask is best for reducing Covid-19 risk in cars. However, this approach also increases occupants' exposure to toxic air pollution particles. The optimal balance is running air conditioning on ambient mode with windows closed.
Wayne State University researcher Yaoxian Huang received $332,689 for a three-year research study to improve understanding of reactive nitrogen from snowpack and transportation. The project aims to provide scientific support for air quality management and promote air quality education for future generations.