Articles tagged with Air Pollution
A new study found that indoor air pollution from residential coal burning in China causes a disproportionate number of premature deaths from exposure to tiny PM2.5 pollutants. Residential coal use accounted for 34% of premature deaths associated with PM2.5, despite contributing only 2.9% of total energy use.
A population-based study found that children born in Sarnia, Ontario have a higher risk of developing asthma compared to neighboring cities. Air pollution exposure in the first year of life was associated with the development of asthma in children.
A new study found that people living near fracking sites are at a higher risk of heart attacks, with rates increasing by 1.4-2.8% depending on age group and level of activity. The research also highlights the potential negative impact of fracking on cardiovascular health in rural communities.
A recent study found that ozone pollution in Germany has decreased primarily due to reduced nitrogen oxide emissions. Ozone formation is often linked to NOx emissions from traffic and industrial processes. Lower NOx levels are positively correlated with lower ozone concentrations, especially in regions like southwestern Germany.
A study examined the association between short-term wildfire air pollution exposure and changes in eczema clinic visits and medications prescribed. The findings suggest a potential link between wildfire air pollution and eczema symptoms.
A new study found that respiratory diseases increased by nearly a quarter in Iceland following the Holuhraun lava eruption in 2014-2015. The research highlights the need for decision-makers to prepare for health issues associated with returning emissions from volcanic eruptions.
Researchers found that 84% of atmospheric microplastics originated from road dust, while 11% came from sea spray and 5% from agricultural soil. Microplastics can re-enter the atmosphere even after settling on land or in water, highlighting a complex plastic cycle.
A new study reveals that chronic ozone stress decreases crop yields in maize by 25%, while hybrid plants produce more chemicals to cope with the damage. The researchers found that hybrid maize is more sensitive to ozone exposure, suggesting possible strategies to improve tolerance.
A new study by ISGlobal estimates that poor urban and transport planning is associated with over 1,000 premature deaths per year in Barcelona and Madrid. The study found that fine particulate air pollution was the leading cause of death, accounting for 524 deaths per year in Barcelona.
A new study found that some air purifiers, marketed for COVID-19, can create a suite of other pollutants. The devices, which use ionizing technology, can decrease some VOCs but increase others, including harmful substances like formaldehyde and ozone.
New modeling experiments predict that reducing air pollution, such as sulfate aerosols, will increase surface air temperature at current and increased carbon dioxide levels. The loss of a cooling effect caused by the light-scattering particles accelerates global warming without simultaneous reductions in greenhouse gas production.
The study revealed that ultrafine particles smaller than 100 nm in diameter play a significant role in haze formation, visibility, and air pollution. The researchers suggest controlling precursor vapors to alleviate the problem.
A new Stanford-led study investigates air pollution's effects at the single cell level and its impact on cardiovascular and immune systems in children. The analysis reveals that brief exposure to fine particulate matter can alter gene regulation, potentially leading to increased risk of disease later in life.
Researchers have successfully demonstrated the efficacy of ozone in neutralizing Coronavirus on various surfaces, including aerosols and hard-to-reach locations. The study shows that ozone disinfection can be an inexpensive and readily available solution to combat COVID-19, with a high statistical success rate of above 90%.
A new DNA biomarker method can screen pregnant women for prenatal environmental contaminants, predicting childhood developmental disorders and chronic illness. The approach has the potential to prevent health problems through early identification of high-risk children.
A short-lived resurgence in CFC-11 emissions in eastern China will not delay the recovery of Earth's ozone layer, according to new research. The AGAGE network helped track down the origins of the new emissions, which were found to be largely coming from eastern China.
Researchers found significant differences in VOC concentrations and proportions vertically between winter and summer. Alkanes were the largest chemical species, primarily from gasoline combustion, which increased with altitude.
A new study published in The Lancet Planetary Health highlights the benefits to health if countries adopt climate plans consistent with the Paris Agreement. Adopting such policies could save up to 6.4 million lives due to better diet, cleaner air, and increased exercise per year across nine countries.
A team of Chinese researchers developed a material that can both quickly detect and efficiently remove ozone. The porous material, called an imine COF, works reliably at high humidity and over a wide temperature range.
A study published by the University of Edinburgh found that exposure to air pollution in childhood is associated with a decline in thinking skills up to 60 years later. The research used historical data to estimate exposure levels and analyzed the relationship between air pollution and cognitive change throughout life.
Researchers found that intensive blood pressure lowering is effective in reducing cardiovascular risk, especially in patients exposed to high levels of fine particulate matter. The study suggests that ambient air pollution may influence the benefit of intensive BP lowering.
A new study improves a computer modelling system to predict the impact of ozone on soybean production, estimating damage at 10% yield reduction for normal ozone levels and less than half that for extreme levels. The research aims to inform policy decisions to limit surface ozone levels.
Researchers found that local emissions significantly contribute to the formation of regional haze and particle growth in Beijing. The study suggests that a reduction of anthropogenic gaseous precursors can suppress particle growth, leading to haze alleviation.
A large-scale study found that air pollution is associated with an increased risk of progressive and irreversible sight loss due to age-related macular degeneration (AMD). Higher exposure to fine particulate matter was linked to a higher risk of AMD, while other pollutants were associated with changes in retinal structure.
A recent study by University College London researchers found that people living in areas with high levels of air pollution, particularly fine particulate matter, are at increased risk of developing AMD. The study suggests that improving air quality could be a key public health priority to reduce the risk of eye disease.
China's stringent air pollution control policies have led to a significant decrease in aerosol concentrations, but winter haze events still occur. A recent study found that the controls have resulted in a much stronger increase in surface solar radiation in eastern and central China.
A new study led by US and Indian researchers found that air pollution in India resulted in 1.67 million deaths in 2019, accounting for 17.8 percent of all deaths in the country. The economic loss was $36.8 billion, equivalent to 1.36 percent of GDP.
Researchers discovered that a molecule related to tire preservative 6PPD is highly toxic to coho salmon, causing acute mortality. The team identified 6PPD-quinone as the culprit chemical, which transforms when exposed to ozone and kills salmon.
A new study found that air pollution in neighborhoods is associated with an increased likelihood of amyloid plaques, a hallmark of Alzheimer's disease. The study suggests that exposure to microscopic airborne particles may be implicated in tens of thousands of cases of the disease.
A study of women aged 80 found a significant association between air pollution exposure and increased depressive symptoms. Long-term exposure to nitrogen dioxide or fine particulate air pollution was linked to small but notable effects on depressive symptoms.
A new study by University of Surrey experts found that trees can effectively reduce the urban heat island effect in many European cities. The research simulated temperature increases in Guildford, UK under different green infrastructure scenarios and found that trees were the most effective form of mitigation.
A study by ISGlobal found that exposure to high levels of air pollution, particularly during pregnancy, is associated with higher blood pressure in childhood. The research team analyzed data from 4,279 children living in six European cities and found a significant link between NO2 levels and diastolic blood pressure.
Air pollution and noise exposure are linked to increased risk of cardiovascular disease. Researchers recommend reducing air pollution limits to prevent thousands of excess deaths. They also suggest strategies for mitigating road traffic and aircraft noise, such as quieter tires and better flight routing.
A new study found that burning biomass fuels like wood and crop residues contributes to 32% of premature deaths due to inhaling fine particle pollutants in China. Residential energy use, especially indoor emissions, pose significant health risks, with indoor PM2.5 concentrations being 3 times higher than outdoor air concentrations.
A large longitudinal study found that exposure to air pollution during early childhood may lead to an increase in body mass index (BMI), while living in areas with greater green space and a more favorable built environment mix may be associated with a decrease in BMI. The study analyzed data from nearly 80,000 children and suggested th...
Researchers found that long-term exposure to urban air pollution, particularly nitrogen dioxide, enhances susceptibility to severe COVID-19 death outcomes. NO2 levels were associated with increased case-fatality and mortality rates.
Researchers discovered markers of Alzheimer's, Parkinson's and motor neurone disease in the brains of young Mexico City residents exposed to dirty air, linked to particulate pollution. Tiny nanoparticles were also found, which can cause inflammation and oxidative stress.
Scientists study tree rings to reveal how Arctic dimming kills trees and limits growth due to reduced sunlight from industrial pollution. The research found massive tree mortality associated with the Norilsk mining complex in northern Siberia.
A study of tree rings from Norilsk, Russia has shown that industrial pollution in the Arctic region has a far greater impact than previously thought. The research reveals widespread damage to the boreal forest, with declining tree growth affecting carbon sequestration and global climate.
A recent study by Cardiff University researchers found that high levels of air pollution force people indoors, leading to higher electricity consumption in both residential and commercial buildings. The effects are particularly pronounced in lower-income families and those from ethnic minority backgrounds.
Research led by Queen Mary University of London finds air pollution particles, including metals, in placentas of 15 London women, suggesting a link between maternal inhalation and fetal exposure. The study highlights the need for further research to fully understand the effects of air pollution on fetal development.
A study found that long-term exposure to PM2.5 in China is associated with a significant mortality burden, accounting for 30.8 million premature deaths between 2000 and 2016.
Research shows that air pollution from ozone levels damages the scent of flowers, deterring moths. However, when given a chance, moths quickly learn that even polluted floral odors may lead to nutritious nectar rewards. This learning ability is crucial for moths to adapt to changing environments.
Researchers found an overall increase in ozone levels above the Northern Hemisphere over the past 20 years, despite lower ground-level ozone in some areas. Ozone increases were most pronounced in tropical regions and mid-latitude areas.
Researchers found that air pollution contributed to a pre-diabetic state similar to eating an unhealthy diet, with effects reversible upon cessation. Living in densely polluted environments may be added as a risk factor for cardiometabolic diseases.
A study published by The BMJ found that children exposed to high levels of fine air pollutants (PM2.5) are more likely to develop asthma and persistent wheezing. Higher levels of PM2.5, as well as exposure to other pollutants, were associated with an increased risk of developing these conditions.
The WVU toxicologist aims to improve health and well-being in susceptible populations by studying the impact of air pollution on lung regeneration. He plans to identify adverse outcomes of carbon black and ground level ozone inhalation, and study mechanisms leading to lung injury and impairment of lung regeneration.
A study published in Cerebrovascular Diseases found a statistically significant link between short-term air pollution and stroke hospitalisations in Dublin. Higher levels of coarse particles, fine particles, sulphur dioxide, and nitrogen dioxide were associated with increased risks of stroke.
A study by MIT researchers found that COVID-19 shutdowns resulted in an 8.3% increase in solar power output in Delhi, attributed to a 50% reduction in air pollution. This demonstrates the impact of reduced emissions on solar panel efficiency and provides valuable data for future models.
This study reveals that El Niño-Southern Oscillation (ENSO)-modulated vegetation fires in Southeast Asia dominate the springtime trans-Pacific transport of ozone across the entire North Pacific Ocean. The enhanced ozone plumes stretch over 15,000 km from the South China Sea to Southwestern North America and the Gulf of Mexico.
A new study found that older women who eat more fish may counteract the negative effects of air pollution on their brains. The research discovered a link between higher levels of omega-3 fatty acids and greater brain volumes, particularly in white matter and the hippocampus.
A new study suggests that vehicle electrification has substantial potential to reduce both climate change and air pollution damages. However, a clean electricity grid is crucial for a sustainable transportation future.
A new study confirms that toxic metallic air pollution nanoparticles are getting inside the crucial energy-producing structures within the hearts of people living in polluted cities, causing cardiac stress. The researchers found iron-rich nanoparticles inside the damaged heart cells of a 26-year-old and even a three-year-old toddler.
Research on air pollution's impact on ILD reveals associations between pollutant exposure and increased risk of developing the disease. Epigenetic methods hold promise for understanding this relationship, but more study is needed to quantify effects.
A new study from the University of Surrey discovered that roadside hedges protect human health by reducing air pollution exposure, but at the cost of harming plant health. The researchers found that fine particles on leaves were more prevalent on the traffic-facing side of the hedge.
A new study published in The Lancet Planetary Health found that long-term exposure to fine particulate outdoor air pollution is a major contributor to cardiovascular disease and death worldwide. The study analyzed data from 157,436 adults across 21 countries and found a significant link between PM2.5 exposure and cardiovascular events.
During COVID-19 lockdowns, China experienced up to 90% reductions in certain emissions, but also saw a significant increase in particulate matter pollution. This unexpected phenomenon highlights the need for a comprehensive regulation of precursor gases from all sectors.
A new George Mason University study reveals women commuters exposed to higher levels of pollutants during rush hour trips, with no correlation between trip length and exposure levels. The research aims to inform strategies for reducing air pollution's health effects, particularly for vulnerable populations.
Researchers used in situ observations and simulations to understand the composition and sources of aerosols in the Asian Tropopause Aerosol Layer (ATAL). They found that part of the aerosols were transported from the Earth surface and upper troposphere, influencing the ATAL's formation.
Ozone pollution in China's most populated and industrialized city clusters poses a great challenge due to diverse precursors. Long-term research is necessary to accurately determine main sources of ozone and inform effective control strategies.