Articles tagged with Air Pollution
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.
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.
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 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.
Researchers found microplastics in remote and protected areas of western US National Parks, highlighting the importance of reducing plastic pollution. Atmospheric transport plays a crucial role in distributing microplastics globally, with smaller particles traveling farther under dry conditions.
A study published in Environment International found that exposure to fine particulate matter (PM2.5) and black carbon increases the risk of vascular damage in people living in India. The research, which analyzed data from over 3,000 individuals, showed a non-linear association between PM2.5 exposure and vascular injury.
Researchers find air pollution can alter social behaviors in mice, causing inflammation that damages healthy tissues. Chronic exposure to particulate matter is also associated with boosted production of amyloid plaques, a key feature of Alzheimer's disease.
A new study has found that people living in urban areas have a 29% higher risk of developing multiple sclerosis (MS) compared to those living in rural areas. The research also suggests that air pollution, specifically particulate matter (PM), may be a contributing factor to the development of MS.
A new UCLA study found that chemicals in diesel exhaust can trigger the toxic buildup of alpha-synuclein proteins in brain cells, a common occurrence in people with Parkinson's. The research used zebrafish and human cells to confirm the link between air pollution and brain damage.
A recent study led by a Texas A&M University professor reveals that South Asia will be threatened by frequent extreme heat and high air pollution days. By 2050, occurrences of both extremes are projected to increase in frequency by 75% and 175%, respectively, posing significant risks to human health.
A new study reveals that CFC replacements are accumulating in the Canadian Arctic, with levels of degradation products tenfold increasing between 1986 and 2014. The findings suggest that these substances are as concerning as their predecessors and do not break down, posing a threat to the ecosystem.
A recent study found a significant decrease in PM2.5 concentrations in eastern China and corresponding reductions in heavily polluted days. However, surface ozone levels have been increasing in most cities during the same period, indicating stronger photochemical pollution.
A new study published in Environmental Health Perspectives found a strong association between the loss of green space and an increase in cardiometabolic risk factors, including hypertension, obesity, and hyperglycaemia. The study analyzed data from over 6,000 adults living in an area south of Hyderabad undergoing urbanization.
A new study by ISGlobal found an association between air pollution exposure during pregnancy and delays in physical growth in early childhood. The research analyzed data from over 1,700 mother-child pairs and estimated exposure to nitrogen dioxide and fine particulate matter during the first trimester of pregnancy.
A new study found that regions with permanently high levels of nitrogen dioxide have significantly more deaths from Covid-19. This correlation suggests that persistent air pollution may have contributed to poorer health in affected populations, making them more susceptible to the virus.
A new study by the University of Surrey found that babies in popular low-riding pushchairs inhale 44% more harmful pollutants than their parents during school runs. Pushchair covers can reduce pollutant exposure by up to 39%, according to researchers.
A study at Karolinska Institutet found that long-term exposure to air pollution is associated with an increased risk of dementia. The researchers also found that cardiovascular disease plays a key role in this association, and that reducing emissions can help mitigate the risk.
A recent study found that most ammonia emitted from fertilized paddy fields deposits near the source, rather than entering the atmosphere. This process reduces atmospheric ammonia pollution and is a result of dry deposition.
Researchers discovered significant chemical differences between PM1 and PM2.5 aerosol species, affecting particle acidity and water content predictions. These findings are crucial for accurately modeling air pollution in highly polluted regions, where the distinction is critical.
Researchers estimate that air pollution causes an extra 8.8 million premature deaths annually, shortening global life expectancy by nearly three years. Cardiovascular diseases account for the greatest proportion of shortened lives, with older people disproportionately affected.
A team of Virginia Tech researchers has developed a new wearable analyzer to measure hazardous air pollutants in real-time for truck drivers and other workers. The device, called iWAVE, provides a time-resolved measurement of exposure and is expected to revolutionize the way workers combat harmful pollutants on a daily basis.
A new study found that exposure to ultrafine particles in air pollution may trigger a nonfatal heart attack within hours. The research, published in Environmental Health Perspectives, analyzed data from over 5,900 patients in Germany and found stronger effects on health with particle length and surface area concentrations.
A study by MIT researchers found that over half of US air-quality-related early deaths are caused by emissions from other states. Electric power generation is the main culprit, accounting for up to 75% of cases. However, deaths associated with air pollution have decreased significantly since 2005, with a 30% reduction in 2018.
A new study from the University of Surrey found that Cairo car drivers are exposed to dangerous levels of air pollution, particularly in cross-city routes. Drivers who leave their windows open can be exposed to 65% more PM10 and 48% more PM2.5 than those with windows closed and AC on.
A new study by ISGlobal found that nearly half of all childhood asthma cases in Barcelona are attributable to air pollution. The study highlights the impact of air pollution on socioeconomic groups, particularly the less disadvantaged children.
Ultrafine particles (UFPs) formed through photooxidation of organic compounds are a major source of urban pollution. Existing particles inhibit new particle formation, suggesting controlling primary emissions or removing existing particles could worsen pollution.
A recent nationwide monitoring campaign in China found that fine particulate matter (PM1) is strongly correlated with cardiovascular disease, with a 21% higher risk compared to larger particles. The study suggests that PM1 can more easily deposit in the lungs and circulation, increasing health risks.
New research suggests that cleaning up ozone precursors in energy, industrial, and transportation sectors can mitigate climate change by increasing the land's ability to remove carbon dioxide through photosynthesis. This could result in a 15% increase in the size of the current land sink for carbon.
A new study found significant early childhood exposure to traffic-related air pollution is associated with reduced gray matter volume and cortical thickness by age 12. Researchers estimated exposure using an air sampling network and used magnetic resonance imaging to obtain anatomical brain images from 147 12-year-olds.
A study published in the Journal of Allergy and Clinical Immunology found that people living in areas with high levels of fine particulate matter (PM2.5) and nitrogen dioxide (NO2) experience more severe rhinitis symptoms, including nasal congestion and sneezing.
Exposure to diesel exhaust particles has been found to increase an individual's susceptibility to pneumococcal disease. The study reveals that DEPs can lead to the reduction of airway macrophages' ability to kill bacteria, allowing it to survive and cause severe inflammation in the lungs.
Researchers developed a machine learning-based method to estimate life-years lost and cost associated with air pollution exposure. The study found that the elderly population is most vulnerable, with those with chronic conditions facing over 30 times higher mortality risk than typical Medicare beneficiaries.
Researchers found that combined exposure to air pollution and early life stress affects attention and thought problems in school-age children. The study, published in the Journal of Child Psychology and Psychiatry, suggests a 'double hit' on shared biological pathways connected to these issues.
Satellite data reveals significant increases in nitrogen dioxide pollution from oil and gas production sites in the US, particularly in the Permian, Bakken, and Eagle Ford basins. The study uses a new inventory to confirm trends and provides valuable insights for addressing emissions in a cost-efficient manner.
A new study has quantified small levels of iodine in the stratosphere and links it to ozone layer decline. The research suggests that air pollution from the surface can trigger ozone destruction higher in the atmosphere.
A recent study published in JAMA Network Open found that children exposed to high levels of air pollution during childhood are at a higher risk of developing schizophrenia. The study showed an increased risk of approximately 20% for every 10 μg/m3 increase in daily average air pollution.
A new study has found an association between exposure to air pollution and poor bone health. Fine particles in the air were linked to lower levels of bone mass, while biomass fuel use was not correlated. The study's findings contribute to a growing body of evidence on the impact of particulate air pollution on bone health.
A new analysis found that people exposed to higher levels of air pollution are more likely to experience depression or die by suicide. Reducing global average exposure to fine particulate matter (PM2.5) could result in a 15% reduction in depression risk worldwide.
Researchers from the University of Copenhagen have discovered a phenomenon where certain gas molecules produce more harmful particles as NOx emissions decrease. This knowledge can help politicians adopt better measures to combat air pollution and improve climate models.
Research shows air pollution harms hearts in humans and marine species through similar mechanisms, with PM2.5 being a major contributor to increased risk of coronary heart disease and stroke. The study highlights the importance of reducing air pollution to protect human health.
A new study by Columbia University researchers estimates the per-case costs of six childhood health conditions linked to air pollution, including preterm birth and asthma. The study suggests that policies to clean the air and address climate change will yield numerous benefits for children's health.
A new report published in the American Thoracic Society's journal shows that reductions in air pollution have fast and dramatic impacts on health-outcomes, including decreases in all-cause morbidity. The study found improvements in health were striking, with significant benefits among non-smokers.