Articles tagged with Air Pollution
A new study finds that extreme tropical cyclone rainfall is increasing across the continental US, while climate warming restricts 'outdoor days' for people living in developing countries. Additionally, air pollution increases mortality risks from heat, especially when combined with other factors like wildfires and reduced aerosols.
Scientists find that increased Asian aerosol emissions slow the AMOC's movements, reducing solar heating and cooling the Earth's climate. Reducing these emissions can help stabilize the AMOC, according to a study published in Nature Communications.
Research finds a nearly 40% decline in respirable particulate matter (PM2.5) in Krakow, Poland, following policy changes targeting coal emissions. This improvement translates to substantial benefits for children's outcomes, including fewer asthma cases and better birth outcomes.
A study by Washington State University found that exposure to multiple air pollutants was associated with asthma symptoms among elementary school children. The researchers identified 25 combinations of air pollutants linked to asthma, with one group from a lower-income neighborhood experiencing higher exposure levels.
Researchers found up to 80% of aerosol particles emitted during light braking are electrically charged, which could be exploited to reduce air pollution from vehicles. The study's findings highlight a previously overlooked environmental justice issue in high-traffic areas.
Research using historical satellite images shows that methane emissions in Turkmenistan increased following the Soviet Union's collapse, contradicting previous theories. This finding suggests that economic decline led to reduced oversight and more deliberate off-gassing of methane from oil and gas wells.
A global rise in Legionnaires' disease since 2000 has puzzled experts. The study suggests that a decline in sulfur dioxide air pollution may be contributing to the increase, as airborne water droplets carrying Legionella bacteria become more acidic and inhospitable to the bacteria.
A new study by Monash University reveals that short-term exposure to high levels of air pollution results in over 1 million premature deaths worldwide every year. The highest mortality burden is found in crowded, highly polluted areas in eastern Asia, southern Asia, and western Africa.
Researchers found that certain plants like ivy and lavender are effective at trapping particles of pollution on their leaves. The study suggests that a mix of plant species can produce the most effective green walls, depending on their leaf shape and micromorphological properties.
Agricultural activities in Lombardy have a significant impact on PM2.5 concentration, comparable to other known sources of pollution. The study used innovative GEOAI models to analyze the relationship between land use and air pollution, providing new insights into agricultural pollutants.
A PSU study analyzed the meteorology behind the September 2020 Western United States extreme weather event, which caused record-breaking cold temperatures and early-season snowfall in the Rocky Mountains. The research found that a highly amplified wave pattern persisted for several days, fueled by dry air from western Canada.
Research suggests that magnetite particles, found in air pollution, can induce signs and symptoms of Alzheimer's disease. The study exposed mice to fine particles of iron, magnetite, and diesel hydrocarbons, finding that magnetite induced Alzheimer's disease pathologies, including neuronal cell loss and amyloid plaque formation.
Researchers found that Indigenous communities in California were exposed to 1.7 times more wildfire smoke than expected, with the average annual exposure being a critical factor in understanding long-term health effects. The study proposes new metrics to measure cumulative exposure and duration of smoke exposure.
A study of 5,279 children found that early-life exposure to air pollution significantly increases the risk of developing asthma by early and middle childhood. The study highlights the need for targeted environmental interventions and greater health equity in urban communities.
Researchers found a causal link between air pollution and suicide rates in China, estimating that reducing air pollution has prevented 46,000 deaths. The study isolated the effect of pollution on mental health by using weather conditions to tease apart confounding factors.
A new study by Purdue University finds that cooking on a gas stove can emit more nanocluster aerosol into the air than vehicles running on gas or diesel. This tiny particle pollution could increase the risk of developing asthma and other respiratory illnesses, especially for children.
A new study finds that aerosol emissions like sulfur dioxide have offset the increase in rainfall caused by greenhouse gases. As air pollution diminishes, average and extreme rains may increase.
Children exposed to higher levels of airborne lead in their first five years showed slightly lower IQs and less self-control, with boys being more susceptible. The study's findings support the importance of reducing environmental pollution on child development.
A new study found that chronic exposure to PM2.5 is associated with increased risk of hospital admission for various cardiovascular conditions, particularly ischemic heart disease and cerebrovascular disease. The study suggests that lowering annual average PM2.5 levels could decrease overall cardiovascular hospitalizations by 15%.
Researchers found that people with higher air pollution exposure were more likely to have high amounts of amyloid plaques in their brains, which are associated with Alzheimer's disease. The study suggests that environmental factors like air pollution may contribute to Alzheimer's disease, especially in those without the APOE e4 gene va...
Research suggests that highways through historically redlined areas contribute to higher levels of air pollution, including nitrogen dioxide and fine particulate matter. These pollutants disproportionately affect communities of color, highlighting the need for remediation programs and clean technology incentives.
A new study by MIT researchers reveals that global deforestation is a previously overlooked driver of human-made mercury emissions, with the Amazon rainforest playing a crucial role in mitigating this issue. The study estimates that curbing Amazon deforestation could reduce mercury pollution by 30%, highlighting the need for worldwide ...
Researchers developed sensors using aerogels to detect formaldehyde, a common indoor air pollutant, with real-time detection capabilities. The sensors require minimal power and can distinguish between different gases.
Researchers have discovered pollutants from burning fossil fuels in Mediterranean corals, providing a potential new tool to track pollution. The study found significant increases in pollutant particles between 1969 and 1992, aligning with Europe's industrialization and coal consumption.
A University of Washington team discovered that nitrate radicals in the air degrade scent chemicals released by wildflowers, making them undetectable to nighttime pollinators. The researchers found that pollution likely has worldwide impacts on pollination, with areas including western North America and Europe most affected.
A recent analysis found a strong link between air pollution and mortality from cardiovascular diseases worldwide. In low-income countries, household air pollution caused significantly more stroke-related deaths than outdoor air pollution.
A study from Chalmers University of Technology found that the production and use of ammonia as a marine fuel can lead to eutrophication, acidification, and emissions of potent greenhouse gases. Researchers warn that the pursuit of low-carbon fuels may create new environmental challenges.
A study by the University of Malaga and the Future Power Systems Group of the University of Birmingham found that oxygenated biofuels blended with diesel can reduce soot emissions by over 90%. The research uses bio-alcohols and bio-ketones, which are produced from low-carbon biomass residues, to achieve this reduction.
New research reveals how human activities affect the marine phosphorus cycle in coastal seas, leading to changes in coastal biodiversity and ecosystem services. The study identifies an 'Anthropogenic Nitrogen Pump' that reduces phosphate levels, limiting algae growth, and enhances the utilization of dissolved organic phosphorus.
Air pollution emissions have decreased substantially in the US over the last four decades, but racial and socioeconomic disparities remain. The study found that certain populations experienced relatively smaller reductions or even increases in air pollution emissions, highlighting the need for targeted policies to address inequities.
An international team of scientists found evidence of ancient heavy metal pollution in Antarctic ice cores from early Andean cultures and Spanish Colonial mining dating back to the 13th century. The study, published in Science of the Total Environment, reveals significant lead and other toxic metals were released into the atmosphere as...
The ATS 2024 International Conference in San Diego will feature scientific sessions and expert interviews on the latest developments in pulmonary, critical care, and sleep medicine. The conference will cover key subjects such as COVID-19, asthma, COPD, and air pollution.
New research from the University of Bristol found that exposure to high humidity and temperature during pregnancy can influence blood pressure changes in children. The study analyzed over 7,000 participants and found a steeper increase in blood pressure with higher relative humidity and a slower increase with higher temperature.
A new study using personal wristband monitors has collected unprecedented data on air pollution exposures in pregnant individuals in New York City. The findings identified complex interactions between demographics and behaviors that shape exposure to individual compounds, highlighting the need for further research to understand these p...
A new study highlights the wide range of urban exposures during early childhood that can influence growth and development, including air and noise pollution, overcrowding, and limited green space. The first 2000 days of life are a critical period for physical, cognitive, social, and emotional health outcomes.
Reducing air pollution to pre-pandemic levels can protect Himalayan glaciers and prevent melting by the end of the century. Clean energy and lower-emission modes of transport would bring significant benefits for sustainable water supplies and ecosystems in Asia.
Research finds that animated short videos are an effective means for disseminating environmental health information to health professionals. The studies showed significant increases in participant knowledge and perceived comfort in identifying at-risk patients impacted by air pollution.
Researchers at NTU Singapore found that indoor air quality can affect creativity, with volatile organic compounds (VOCs) released from products like detergents and perfumes affecting participants' ability to build 3D models. By reducing TVOC levels by 72%, creative potential can be improved by 12%.
Researchers developed a new approach to improve particle-reinforced rubber's fatigue threshold by increasing polymer chain length and entanglement density. This multiscale stress deconcentration method increases the material's resistance to crack growth under repeated stretching, reducing pollution from shed rubber particles.
Researchers found that neighborhoods within 3 kilometers of an Amazon last-mile delivery station experience twice the amount of delivery van and truck traffic as farther-away areas. These neighborhoods are disproportionately home to low-income households and people of color, who order 14% fewer packages than average. The study highligh...
Miniaturized electrochemical sensors offer low-cost, time-efficient analysis and high specificity and sensitivity for toxic heavy metal detection. However, limitations in selectivity, detail, and interference by foreign species hinder on-site analysis.
Researchers investigating aerosol pollution's impact on climate change will use NOAA's SPEAR model to project how future climate hazards could be affected by different emission scenarios. The study seeks to characterize the uncertainty of aerosol emissions and their influence on climate change.
Researchers found that breathing unfiltered highway air significantly increases passengers' blood pressure during rush-hour traffic. The study's findings suggest a complex mechanism by which traffic-related air pollution interferes with blood pressure regulation.
A randomized trial found that unfiltered traffic-related air pollution caused a rapid and significant increase in blood pressure, which persisted for more than 24 hours. The study suggests that effective cabin air filtration may reduce the negative effects of air pollution on blood pressure.
A new study found that exposure to coal particulate air pollutants is associated with a mortality risk more than double that of exposure to PM2.5 from other sources. The researchers estimated that 460,000 deaths were attributable to coal PM2.5 in the US between 1999 and 2020.
Researchers at Hebrew University of Jerusalem discover that pollutants trigger significant changes in large-scale weather patterns, leading to enhanced radiative forcing. Aerosols stop rain in some areas, causing moisture to move to regions with big clouds, which release heat and strengthen winds.
A systematic review of air filtration systems found little evidence to support their effectiveness in reducing the risk of viral infections. The study analyzed 32 studies and found no strong evidence that air treatment technologies can protect people from catching airborne respiratory or gastrointestinal infections.
Research from Rutgers University found that air pollution during critical periods of prenatal and early infant development may negatively alter anogenital distance, a measure of hormone exposure. Higher levels of particulate matter (PM2.5) were associated with shorter anogenital length at birth and in males at age one.
A new study reveals that C4 crops are significantly less sensitive to ozone pollution than C3 crops, with potential implications for improving crop productivity and resilience. The research suggests that C4 bioenergy feedstocks can maintain performance in regions with high ozone levels.
A new study from Intermountain Health reveals that air pollution from wildfires and winter inversions poses different risks of heart attack and severe chest pain. Short-term increases in fine particulate matter were associated with increased risk of heart attack during the winter inversion season, but not summer wildfire season.
A new report highlights Africa's deteriorating air quality, with particulate matter concentration levels five to ten times the World Health Organisation's recommended level. The researchers call for collective efforts, regionally tailored solutions, and global collaboration to tackle this issue.
Scientists developed a synthetic melanin that accelerates wound healing and protects against sun damage. The cream also quiets the immune system, allowing for continuous repair and reducing inflammation.
Research from Harvard John A. Paulson School of Engineering and Applied Sciences estimates that humans have increased atmospheric mercury levels sevenfold, with a pre-anthropogenic baseline of around 580 megagrams. Human emissions from coal-fired power plants and waste-incineration are responsible for the majority of this increase.
A new study finds that heat-related cardiovascular deaths may more than double in the US by the middle of the century, with elderly and Black adults being most at risk. The projections suggest that reducing greenhouse gas emissions can mitigate this impact, but infrastructure interventions such as increasing tree cover may also be effe...
A recent study found that people living in areas with high levels of fine particulate matter have a 56% greater risk of developing Parkinson's disease. The Mississippi-Ohio River Valley and parts of Texas, Kansas, and eastern Michigan were identified as regions with higher rates of the disease.
Researchers at the University of Houston have discovered that microalgae can be used to sequester carbon dioxide and convert it into mass-produced proteins, lipids, and carbohydrates. This process has the potential to transform food production, treat wastewater, and produce sustainable biofuels.
Existing UK air pollution regulations will reduce thousands of premature adult deaths, but have limited impact on protecting sensitive ecosystems. The study found that even with the most effective technically feasible measures, air pollution would still harm UK's natural habitats and ecosystems.
A new study reveals that living near major roads is associated with a higher incidence of dementia and alterations in brain structure due to air pollution. The research, conducted in China and the UK, analyzed data from 460,901 participants over 12.8 years.
A new study by Emory and Harvard researchers found that high air pollution exposure during childhood is associated with earlier onset of menstruation in US girls. This increased risk is linked to cardiovascular disease, Type 2 diabetes, and certain cancers later in life.
A study of 340,000 pregnant women in southern California found a significant association between long-term exposure to antepartum and postpartum air pollution and increased risks of postpartum depression. The findings highlight the importance of identifying modifiable environmental risk factors to improve maternal mental health.