Articles tagged with Air Pollution
Researchers found that using portable home air purifiers improved markers of cardiovascular health in people with COPD. The study tracked participants' lung and heart health over six months, revealing a 25% increase in heart rate variability among those using active HEPA and carbon filters.
Exposure to traffic-related air pollution linked to an increased risk of having two or more physical and mental health conditions. Participants exposed to higher concentrations of fine particulate matter and nitrogen dioxide had a greater risk of developing multiple long-term health conditions.
Researchers developed a new inversion method to retrieve tropospheric ozone profiles using ground-based MAX-DOAS measurements. The method accurately obtained tropospheric ozone concentrations and profiles, with highly correlated results from Lidar and in-situ measurements.
A new study found that long-term exposure to air pollution can increase the risk of high blood pressure and heart disease in teenagers. The review of eight studies involving over 15,000 adolescents aged 12 and above found a significant association between air pollution and rising diastolic blood pressure.
A scoping review found that climate change and air pollution are linked to worsening symptoms of neurologic diseases. Exposure to pollutants like nitrates and fine particulate matter is associated with increased risk of stroke, headaches, dementia, and multiple sclerosis.
The November issue of CHEST journal features new guidelines for perioperative management, studies on COVID-19 treatment and COPD treatment, as well as research on sleep apnea and long COVID. These findings have significant implications for patient care and healthcare resource use.
A new study found that stop-and-go traffic may be linked to reduced birthweight, with a nine-gram decrease in weight among infants born to parents who reside in areas with heavy traffic. This association was seen even after controlling for background air pollution levels and other environmental co-exposures.
Researchers at the University of Oldenburg have developed a new statistical model that accurately describes wind turbulence and generates fully three-dimensional wind fields using limited measurement points. This breakthrough enables precise wind turbine load estimation and improves wind farm planning, with applications in various fiel...
Researchers at Lehigh University have secured $13.2 million in funding to improve hydrogen generation and carbon capture/sequestration technologies through a partnership with Georgia Tech's UNCAGE-ME Center. The goal is to develop catalysts that can mitigate the degradation of these technologies in real-world conditions.
A recent study suggests that even low levels of fine particulate matter can cause significant mortality risk, contributing to 1.5 million extra deaths globally each year. The research used Canadian data to inform global estimates and highlights the need for improved air quality guidelines.
A recent study found that exposure to fine particulate matter during pregnancy is associated with delays in children's gross motor, fine motor, and personal-social development. The study of 17,683 infants in Taiwan suggests that protection from air pollution should start during pregnancy.
A study by King's College London found a significant correlation between deaths due to indoor household pollution and eclampsia rates. The researchers evaluated over 2,690 cases of eclampsia in eight low- and middle-income countries and discovered that indoor cooking with solid fuels increases the risk of adverse birth outcomes.
Research found that air pollution from diesel exhaust and ozone significantly reduces the reproductive success of parasitic wasps controlling aphids on oilseed rape plants. The pollutants alter plant chemistry, attracting a specific wasp species more successfully.
The ASU-led SW-IFL aims to understand complex relationships between extreme heat, atmospheric pollutants, and limited water supply on vulnerable urban subpopulations. The integrated field laboratory will combine high-resolution data, advanced computer modeling, and community engagement to create regionally specific predictive tools.
A CSU study found that racially segregated communities are exposed to a more concentrated form of air pollution, including toxic metals like lead and cadmium. This disparity is linked to systemic racial injustices and targeted emissions reductions can help reduce exposure.
Rice University engineers have developed a method to convert hydrogen sulfide into high-demand hydrogen gas and sulfur in a single step using gold nanoparticles. The process gets all its energy from light, offering a cost-effective alternative to traditional remediation methods.
Climate change is exacerbating health crises among migrant workers in the US agriculture sector, with extreme heat and chemical exposure posing significant risks. The Lancet report highlights the unequal burdens of climate change, particularly on vulnerable populations.
Sharing real-time air quality readings can reduce fine particulate concentration levels by 2-4 micrograms per cubic metre each year, leading to significant health benefits. The research estimates annual health benefits of $171 million AUD for the median city.
Researchers found that a community-specific approach eliminated pollution disparities and reduced overall pollution exposure. The new strategy targeted specific locations with high emissions, effectively addressing decades-long disparities in air quality.
The researchers developed a conformable multimodal sensor face mask (cMaSK) with 17 sensors around the edge of the mask that measure capacitance, temperature, humidity, air pressure, and other parameters. The study found that mask fit was significantly worse for women than men due to gender-related differences in face shape and size.
A UMass Amherst researcher is developing an eco-friendly drift reduction agent using essential oils derived from food waste to reduce pesticide use, while also creating a potentially scalable process for plant-based seafood that mimics the texture of fish meat.
A newly developed composite sponge-based air filter has demonstrated strong potential for applications in automobiles and industry, with high efficiency in removing particulate matter under harsh conditions. The filter's unique design and materials ensure good structural stability and adaptability to various environments.
A new study found that ultrafine particle concentration decreased by 48% during the COVID-19 state-of-emergency period due to reduced aviation and road activity. This reduction corresponded with flight activity dropping by 74% and highway traffic volume decreasing by 51%.
Excess ground-level ozone damages plant foliage, alters flowering patterns, and blocks pollinators' access to flowers. Ozone also disrupts plant-pollinator communication through altered chemical signatures.
The study found that kitchens with more people present during cooking sessions exhibited higher carbon dioxide levels. Kitchens with both doors and windows open during cooking showed optimal thermal comfort conditions, reducing CO2 levels by 14%. Cleaner fuels and electric appliances can reduce CO2 levels within a kitchen by over 32%.
A Brazilian study of 26,616 tree falls in São Paulo found that building height and neighborhood age are key factors influencing the risk of tree failure. Sidewalk width and tree height were also found to be significant variables. The research provides valuable insights for urban planning and tree management in the city.
A study found that high levels of air pollution were associated with increased risks of transitioning from healthy to having a stroke, cardiovascular events after stroke, and death. Exposure to particulate matter, nitrogen oxide, and nitrogen dioxide was linked to these outcomes.
Researchers found that air pollutants, particularly fine particles and nitrogen dioxide, increase the risk of COVID-19 hospitalizations up to 30% in vaccinated individuals. Long-term exposure also worsens outcomes, even among those fully vaccinated, highlighting the importance of improving indoor air quality.
Research finds that short-term air pollution exposure increases risk of hospital admission for autistic children, with boys more at risk than girls. The study suggests that reducing air pollution could lower these risks and improve quality of life for affected individuals.
Researchers found that fatty acids in cooking emissions form a stable film on surfaces, protecting trapped pollutants from breakdown. This film can become rougher and attract water, trapping toxins underneath.
A new study found that decarbonization efforts in Texas significantly reduce air pollution-related health effects, offsetting the cost of these efforts. However, Black and low-income communities still face higher levels of air pollution and related health effects.
A new study reveals that conifers release substantial quantities of volatile organic compounds in response to bark-feeding weevils, providing cues to neighboring seedlings. This complex communication process is altered by air pollution.
Scientists have discovered a link between air pollution and lung cancer in people who have never smoked. Exposure to particulate matter (PM2.5) has been shown to promote cancerous changes in airway cells with EGFR and KRAS gene mutations, driving them towards a cancer stem cell-like state.
Late-breaking results at ESMO Congress 2022 reveal a strong association between air pollution and non-small cell lung cancer, with exposure to particulate matter linked to increased risk. The research underscores the need for environmental sustainability in oncology, particularly in cancer prevention and early detection.
A team of researchers found microplastics in water trapped in plant leaf axils, a first-time discovery that highlights the global risk of contamination. The study, conducted in Slovakia, used teasel phytotelmata, small aquatic ecosystems formed by plants, to detect the presence of microplastics.
A new study found that low-income pregnant women living in polluted neighborhoods had a 60% increased risk of testing positive for COVID-19. The study, led by Columbia University's Mailman School of Public Health, examined the relationship between long-term exposure to fine particulate matter (PM2.5) and COVID-19 test results.
Researchers at King Abdullah University of Science & Technology (KAUST) have developed a more robust and realistic general method for dealing with wind-driven phenomena in geostatistical modeling, which promises to greatly improve the accuracy of pollutant dispersion prediction.
A new study found that exposure to diesel exhaust fumes had more pronounced effects on females than males, with changes in blood components related to inflammation, infection, and cardiovascular disease. The research involved ten healthy volunteers who breathed filtered air and polluted air at varying concentrations.
Researchers analyzed satellite-based data to study daily variations in air quality across 11 major US cities, revealing disproportionate impacts on economically disadvantaged communities. The findings suggest climate change could exacerbate these differences, highlighting the need for targeted interventions to reduce emissions and impr...
A meta-analysis of nearly 300 studies reveals a higher hypertension prevalence in urban areas but with a narrowing gap over time and socio-economic development, indicating rapid increase in rural areas. The study highlights the need for increased awareness and control measures in rural areas to address the growing burden of hypertension.
A study by Tel Aviv University researchers found a unique oral microbiotic signature in the saliva of veteran soldiers with PTSD, which may help diagnose post-traumatic stress disorder objectively. The study also showed that people with PTSD exhibit the same picture of bacteria in their saliva as those who have experienced combat stres...
The COVID-19 lockdowns led to a significant reduction in soot emissions in Europe, with an average decrease of 41% in the lower troposphere. This improvement in air quality is attributed to reduced fossil fuel burning and limited travel.
Researchers at Hebrew University of Jerusalem discovered that coarse sea spray significantly reduces the amount of lightning in storm clouds. The study found that aerosols larger than 1 micron, or coarse sea spray, inhibit lightning by up to 90%, while smaller aerosols actually increase lightning and affect rainfall.
A study by Columbia University and Drexel University found that the transition to cleaner fuels and engines in New York City's bus fleet led to declines in air pollution concentrations, including nitrogen oxides and black carbon. The findings suggest that similar changes can be realized in other cities to mitigate air pollution.
A new study used satellite data to determine the effect of fuel regulations on sulfur pollution from cargo ships. The research team found significant changes in pollution after regulations went into effect, and their data can contribute to understanding how pollutants interact with clouds and affect global temperatures.
New evidence from Antarctica shows toxic fluorinated forever chemicals have increased markedly in recent decades, with scientists believing CFC-replacements are a likely source. The most abundant chemical discovered was perfluorobutanoic acid (PFBA), which has been linked to human exposure and immune system impairment.
A new online tool from NIST offers a solution to regularly check ventilation by measuring indoor carbon dioxide levels. The Quick Indoor CO2 (QICO2) calculator takes into account factors like occupants, outdoor CO2 levels, and building size to provide accurate results.
A new study led by the University of Washington strengthens evidence that air pollution can harm childhood behavioral problems and IQ. Researchers found prenatal and postnatal exposure to nitrogen dioxide and small-particle air pollution were associated with poorer child behavioral functioning and cognitive performance.
Researchers developed an automated method to create 3D images of leaked gas clouds, enabling precise location, volume, and concentration determination. This technology can provide early leak warnings, assess risk, or determine the best way to fix leaks in large facilities with stored toxic chemicals.
A new study found that fine particulate matter (PM2.5) exposure is associated with an increased risk of having a cluster of multiple chronic diseases, particularly cardio-metabolic and respiratory conditions. The analysis revealed four distinct multimorbidity clusters, with lower PM2.5 exposure linked to musculoskeletal conditions.
A new study found that exposure to air pollution and indoor burning without ventilation significantly increases the risk of heart disease mortality. Researchers created maps of eight environmental risk factors across Golestan Province, Iran, and identified associations between death and these factors, controlling for traditional risk f...
A recent study published in Environment International found that young adults exposed to higher levels of ambient and household air pollution had poorer lung function. Household air pollution from unvented biomass stoves was particularly detrimental, causing a significant decrease in lung capacity.
A nationwide study by UTEP researchers found that public housing residents experience higher levels of fine particulate matter, disproportionately affecting Black, Hispanic, disabled, and low-income populations. The study highlights the need for environmental, public health, and housing policies to address air pollution disparities.
A new study reveals that inhaled fine particles can take a direct route from lungs to brain through blood circulation, potentially contributing to brain disorders. The particles were found to stay longer in the brain than in other organs, raising concerns about the long-term effects of air pollution on cognitive function.
A recent study found that higher exposure to air pollution is associated with increased functional brain connectivity among several brain regions in preadolescents. The findings also identify the first years of life as the most sensitive period for exposure to air pollution, with black carbon particles being the most associated polluta...
A new analysis by University of Pittsburgh scientists demonstrates that institutional racism, rather than race-based biology, worsens asthma severity in Black people. The study links discriminatory lending practices from the 1930s to long-term environmental and health inequities, particularly in historically redlined neighborhoods.
Climate-related events and air pollution disproportionately affect socially and economically disadvantaged children, exacerbating health issues such as preterm birth, respiratory illness, and malnutrition. The authors emphasize the need for simultaneous adaptation and mitigation strategies to protect children's health.
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 University of Washington-led team found that people in China with higher socioeconomic status are more exposed to outdoor air pollution. The study discovered a unique correlation between socioeconomic status and ambient air pollution levels, which runs counter to existing studies conducted in the US.
Long-term measurements at Mount Heng in southern China found acidic and more soluble ions in freezing rain, leading to decreased ambient temperatures. This process prolongs the existence of freezing rain, amplifying its effects in northern China as global warming shifts its influencing area