A long-term study found that residents' daily activities, such as cooking and heating, significantly impact indoor ultrafine particle concentrations. The study, conducted in German apartments, showed that indoor activities account for most ultrafine particles, with outdoor air pollution playing a lesser role.
An international team has discovered that the high local concentration of vapors in city streets accelerates nanoparticle growth, contributing to winter smog's particulate matter. Climate researchers attribute this process to the condensation of ammonia and nitric acid onto nanoparticles, causing rapid growth within minutes.
Researchers at Georgia Institute of Technology developed a new robot rover, the Mini Rover, that can climb sand-covered hills and avoid getting stuck. The rover uses a unique gait that combines paddling, walking, and wheel spinning motions to create a robust and adaptable locomotion system.
Researchers developed a new robot called the Mini Rover that can climb hills covered with loose material and avoid getting stuck. Using a complex motion called rear rotator pedaling, the rover combines paddling, walking, and wheel spinning motions to maintain forward progress.
Researchers at Aalto University have developed a method to create materials from particles using nanocellulose as a universal binder. The study reveals the ability of nanocelluloses to induce high cohesion in particulate materials, overcoming particle dependency and enabling the creation of materials with predictable properties.
A Louisiana State University meteorologist is studying how coronavirus-induced lockdowns improved air quality in China, which could have implications for global temperatures and weather patterns.
Researchers develop biocompatible ion-driven soft transistors that can perform real-time neurologically relevant computation. A mixed-conducting particulate composite enables the creation of electronic components out of a single material, allowing for non-invasive recording and processing of brain activity.
A recent study published in Neurology found an association between long-term air pollution exposure and a steeper rate of cognitive decline in individuals living in urban areas. Participants who lived in areas with higher levels of air pollution scored lower on thinking and memory tests and experienced faster declines in cognitive skills.
Scientists at PSI analysed chemical compounds directly in aerosols and observed dissociation and release of gaseous formic acid. The findings will improve understanding of global processes involved in cloud formation and air pollution.
A recent study found that exposure to fine particulate matter is associated with a higher degree of albuminuria and a higher risk of developing chronic kidney disease. The study suggests that efforts to improve air quality may yield health benefits, including reducing rates of chronic kidney disease.
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 team of researchers at the University of Pennsylvania found that when particles are wet and dry, thin solid bridges formed between larger clumps increase aggregates' stability. The size of particles plays a crucial role in determining how strongly they stick together.
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.
A new study found a significant association between fine particulate matter PM2.5 and out-of-hospital cardiac arrests, with increased risks even at low concentrations. The nationwide Japanese study, the largest of its kind, highlights the urgent need to improve air quality and reduce cardiovascular impacts.
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.
A comprehensive study by the University of Surrey shows that local activities like construction, vehicle traffic, and domestic heating contribute significantly to Delhi's high air pollution levels. The research highlights a clear trend with higher pollutant levels in winter months, mainly due to crop burning and biomass burning.
A new study has found that metal particles from brake pads can cause inflammation and reduce the ability of immune cells to kill bacteria, similarly to diesel exhaust. Brake dust is estimated to contribute up to 20% of total PM2.5 traffic 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.
A graduate student at the University of Tennessee has developed a new nanocellulose-based material that provides outstanding air filtration performance, with potential to remove over 99% of fine particles in air. The filter is cost-effective and environmentally friendly, making it highly promising for indoor air purification applications.
Studies use portable sensor technology and cellphone apps to measure air pollutant exposure, providing insights into reducing public health risks. Key findings include increased risks of respiratory diseases in children exposed to air pollution.
Fine particulate air pollution has been linked to several common diseases that cause hospitalizations, including septicemia, fluid and electrolyte disorders, renal failure, and skin and tissue infections. The study found substantial health care and economic costs associated with even small increases in PM2.5 exposure.
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 study from 2013-2017 found that China's strict clean air policies led to a significant decrease in particulate matter exposure. The policy changes resulted in an estimated 370,000 deaths avoided annually due to improved air quality.
A Swedish study found that long-term exposure to traffic exhaust at home increases the risk of stroke in low-pollution environments. The researchers discovered that black carbon from traffic exhaust was the primary culprit, with a 4% increased risk for every 0.3 micrograms per cubic meter.
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.
A study found that fine particulate matter increased by 5% between 2016-2018, leading to 9,700 additional premature deaths and $89 billion damages. The rise was associated with economic activity, wildfires, and decreased enforcement of the Clean Air Act.
New studies from Princeton University reveal that individual grains of clay and human skin shrink as they dry, leading to predictable cracking patterns. This knowledge enables the creation of advanced materials with spontaneous healing properties.
Researchers are developing a bulletproof vest that can sense the speed and angle of impact, then change its properties to absorb the force. The technology could also protect buildings, satellites and spacecraft from space junk and meteorites.
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.
Researchers at Max Planck Institute for Chemical Physics of Solids spot axion particles in correlated Weyl semimetal (TaSe2I) below -11 °C. The discovery reveals novel properties of axion particles, which can conduct electrical current in a distinct manner from electrons.
Shear-thickening fluids can be manipulated using ultrasonic waves to soften them, opening up new applications for materials like concrete and ceramics. The approach uses acoustic transducers to break force chains responsible for thickening, allowing for dynamic tuning of the material.
Researchers evaluated China's success in controlling coal-fired power plant (CPP) emissions, finding significant reductions in air pollution and premature deaths since 2005-2020. The upgrading of end-pipe control facilities and early retirement of small units led to substantial emissions reductions.
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.
A recent study updated damage estimates of fine particulate matter in the United States, revealing a nationwide total GED attributable to economic activity decreased by over 20% between 2008 and 2014. The largest GED was found in agriculture, while manufacturing and transportation accounted for 75% of damages.
A new international study found a link between air pollution and increased mortality rates, particularly among Australians who are more sensitive to particulate matter. The study, published in the New England Journal of Medicine, analyzed data from 652 cities across 24 countries and regions.
A new study found that lower air pollution levels in New York State led to a 67% decrease in premature deaths between 2002 and 2012. Long-term exposure to PM2.5 is linked to respiratory and cardiovascular problems.
A study in northern China suggests replacing solid fuels with electricity or natural gas can substantially reduce air pollution emissions and wintertime indoor particulate matter concentrations. Successful replacement of 60% or more households could lead to significant health benefits, lowering PM levels from 209 μg/m3 to 125 μg/m3.
Researchers have pinpointed the source of acoustic signals emitted by stressed faults in a numerical model, which could lead to more accurate earthquake predictions. The study reveals that the collapse of stress chains inside an earthquake gouge emits these signals.
A study of 5,531 adults in peri-urban villages near Hyderabad found that long-term exposure to fine particulate matter (PM2.5) increased hypertension prevalence by 4% in women, with significant associations with systolic and diastolic blood pressure.
A NIOSH-funded study is assessing how dental professionals come into contact with vapors, gases, and airborne dusts in clinics. The researchers will measure the size and concentration of particulates in real-time during common dental procedures.
A study published in Environment International found that exposure to airborne metal pollution is associated with an increased risk of mortality. The research used moss samples to estimate human exposure to metal particles and found that participants exposed to higher concentrations of anthropogenic metals had a higher risk of death.
A Texas A&M University study found that particulate matter in the atmosphere can cause birth defects, fatalities, and damage to organs in adult rats. High levels of fine particulate matter were detected in Asia, Houston, and Los Angeles, posing a significant health risk to millions worldwide.
Exposure to fine particulate matter during pregnancy impairs fetal development, leading to smaller organs and metabolic disorders in adulthood. The study highlights the importance of reducing prenatal air pollution exposure to prevent long-term health consequences.
Residents of historically redlined neighborhoods are more than twice as likely to visit emergency rooms for asthma, with significantly higher levels of diesel particulate matter in the air. Poverty and psychosocial stresses associated with living in divested neighborhoods also contribute to the disparity.
A new analysis suggests that eliminating emissions from dirty household fuels like wood, dung, coal, and kerosene could bring India's outdoor air pollution levels below the country's standard. This could reduce air pollution-related deaths by approximately 13% and save around 270,000 lives annually.
A new forecasting system provides 72-hour forecasts of fine particulates in New Delhi, helping officials and residents plan to reduce exposure to unhealthy air. The system uses measurements, computer modeling, and statistical techniques, improving accuracy but requiring refinement for precise pollutant levels.
Reducing household fine particulate matter (PM2.5) emissions in India could decrease mean annual ambient PM2.5 exposure by over 17%, averting premature mortality and meeting the national air quality standard for 103 additional districts. Complete mitigation of emissions from cooking alone would be necessary to achieve this goal.
A US study estimates that location-specific air pollution damages result in nearly 107,000 premature deaths annually, with a societal cost of $886 billion, highlighting the need for location-specific emissions mitigation efforts.
Proposed EPA changes to causality framework, promoted by Tony Cox, raise concerns about the agency's ability to protect public health. The new approach requires direct evidence of causation from epidemiological studies, which is unattainable with observational data.
Reduced NOx emissions lower particulate matter production through decreased oxidant abundance. Atmospheric autoxidation of plant compounds decreases with NOx reductions, consistent with US observations from 1990 to 2010.
A recent study found that short-term wood burning in small-scale room heaters and sauna stoves significantly increased residents' daily exposure to particulate air pollution. The study highlights the importance of natural ventilation in reducing indoor levels of hazardous particles.
Researchers from University of Colorado at Boulder found that daily household activities like cooking and cleaning release high levels of airborne chemicals, contributing to indoor and outdoor air quality. The study highlights the importance of proper ventilation in homes to minimize health impacts.
A study by San Francisco State University researchers used satellite data to track oil industry 'flaring', a practice that burns off unwanted natural gas and contributes to greenhouse gas emissions. The study found over 43,000 flares in south Texas, with most associated with fracking operations.
A new model developed by the University of Illinois predicts how ground shipping will affect future human health and the environment. The study found that a carbon tax could lead to a 24% reduction in greenhouse gas emissions, while enforcing truck fleet maintenance could cut particulate emissions by one-third by 2050.
A breakthrough discovery has identified new links between natural air pollutants and manmade emissions, which could lead to more accurate climate-related legislation. The study found that particles formed from a mixture of natural and man-made vapours are significantly reduced compared to individual components.
A study of air pollution and respiratory emergency room visits found associations between ozone, fine particulate pollution, and increased ER visits for asthma, COPD, and pneumonia, varying by age group and pollutant level. The study suggests that protecting vulnerable populations from air pollution is crucial.
Researchers found that a reduction in PM 2.5 concentrations in eastern China has led to an increase in ground-level ozone pollution, particularly in large cities. The study suggests that extra efforts are needed to reduce NOx and VOC emissions to stem the tide of ozone pollution.
Summer surface ozone levels in China rose in four major cities between 2013 and 2017 due to decreasing particulate matter emissions. This increase can slow the natural cleanup of hydroperoxy radicals from aerosols, sparking concerns about anthropogenic ozone precursor emissions.
Researchers at Ohio State University found that mice exposed to polluted air before conception had heart problems and impaired function in their offspring. The study suggests that pollution-related cardiovascular disease may start even before conception.