Articles tagged with Air Pollution
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.
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 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.
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.
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.
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.
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.
A recent study examining the potential link between traffic-related air pollution and obesity found a significant association with higher BMI in Mexican American women. In contrast, exposure to higher traffic pollution was linked to lower BMI in men, but not an increase.
A study published in PLOS ONE found that long-term exposure to hydrocarbons in the air may be a risk factor for ischemic stroke development. The research analyzed data from Taiwan's National Health Institute Research Database and found significant associations between air pollution levels and increased risk of ischemic stroke.
A new UCL-led study found that living in a more polluted area is associated with a greater likelihood of having glaucoma, a debilitating eye condition that can cause blindness. People in areas with high levels of fine particulate matter pollution were 6% more likely to report having glaucoma than those in less-polluted areas.
A team of researchers from the University of Pennsylvania has discovered a crucial link between alcohol molecules and haze formation. Alcohols like methanol reduce particle formation by consuming sulfur trioxide, converting it to more sticky compounds that promote growth.
A metal-organic framework material has been developed that can capture nitrogen dioxide from the air and convert it into nitric acid for industrial use. The material requires only water and air to achieve this conversion, making it a promising solution for cost-effectively removing toxic pollutants from the atmosphere.
A new MOF material, MFM-520, has been developed to capture and convert nitrogen dioxide into nitric acid. The material can be regenerated multiple times and is suitable for use in air pollution control, with potential applications in the production of agricultural fertilizers, rocket propellants, and textiles.
A nationwide study published in Brain found that higher exposure to fine particle pollution, or PM 2.5, was associated with greater declines in memory performance and more Alzheimer's-like brain changes in older women. The researchers used data from 998 women aged 73-87 and adjusted for other factors.
Researchers calculated that over 30 years, around 200,000 tonnes of micro rubber accumulated in Switzerland's environment. Tire abrasion is the primary source of micro rubber, responsible for 97% of particles released.
A new particle analysis technique offers a promising way to monitor air pollution by capturing and analyzing individual airborne particles. The approach provides highly reproducible, real-time results and can identify the size and refractive index of particles, which is essential for assessing health risks.
A new study published in International Journal of Epidemiology found a strong association between air pollution and carotid intima-media thickness (CIMT) in peri-urban South India. People exposed to higher levels of fine particles had a higher CIMT index, indicating a higher risk of cardiovascular diseases.
A new study found a link between prenatal exposure to particulate matter and structural changes in the corpus callosum, associated with ADHD and ASD. Children exposed to higher levels of PM2.5 showed reduced corpus callosum volume and increased hyperactivity.
Research found that maternal exposure to particulate air pollution during pregnancy is associated with decreased heart rate variability in six-month-old infants. This decrease in heart rate variability is a known risk factor for mental and physical health problems later in life.
Research from the Hospital del Mar Medical Research Institute found that high levels of environmental noise increase ischaemic stroke severity, while exposure to green spaces reduces the risk. The study analyzed nearly 3,000 patients and showed a 30% higher risk for those living in noisier areas.
Researchers developed a method to calculate truck stops along routes, confirming toll roads are eco-friendly and economically viable. The study uses data from Yandex.Traffic and GLONASS/GPS systems to promote efficient routes.
Research shows exposure to air pollutants like particulate matter is linked to decreased levels of proteins responsible for hair growth and retention. The study found that higher concentrations of PM10-like dust and diesel particulate led to greater decreases in these proteins.
A study published in Nature Immunology identified neutrophils as a key player in the development of allergic asthma, particularly in pro-allergic environments such as excessive hygiene and air pollution. Compounds like pulmozyme may prevent disease development by destroying DNA released by neutrophils.
A new study suggests that aspirin and other nonsteroidal anti-inflammatory drugs (NSAIDs) may protect the lungs from short-term spikes in air pollution. The researchers found that nearly half of the negative impact of particulate matter on lung function was reduced with NSAID use.
A new study found that genetically diverse corn plants have varying responses to high ozone levels, with some experiencing yield losses of up to 10%. The research could lead to the development of ozone-resistant corn varieties, helping plant scientists address the hidden threat to corn agriculture.
Professional drivers, including taxi drivers, experience high levels of black carbon exposure while working in congested cities. Research found that taxi drivers are exposed to an average of 6.5 micrograms of black carbon per cubic meter of air, compared to office workers at home who experience similar levels.
A study of nearly eight million live births found that air pollutants like particulate matter, nitrogen dioxide, and sulphur dioxide are associated with a 20-50% increased risk of death in babies. Exposure to these pollutants also reduces lung function in children as early as the first trimester of pregnancy.
Three studies from Cincinnati Children's Hospital Medical Center reveal a strong association between short-term air pollution exposure and exacerbations of psychiatric disorders in children, with higher risks for disadvantaged neighborhoods. The research also found links to generalized anxiety and depression in otherwise healthy children.
Air pollution from fine particulate matter is associated with premature mortality, with the US economy suffering $20 billion in damages annually. Policymakers should consider regulations that target the agriculture and transportation sectors to mitigate this issue.