Articles tagged with Air Pollution
Exposure to fine particulate matter and black carbon during daily commutes to school impairs children's cognitive development, according to a new study. The study found an association between air pollution exposure and reduced growth of working memory, with boys being more sensitive than girls.
The University of Portsmouth's AIR Network aims to address the significant contributor to respiratory and cardiovascular disease in low-resource settings. By engaging with local communities through arts, theatre, and other methods, researchers will explore co-creating viable interventions to reduce exposure to air pollution.
A new study from Washington University School of Medicine and VA St. Louis Health Care System found that breathing dirty air may harm kidneys. The research analyzed data on nearly 2.5 million people over 8.5 years, concluding that high levels of particulate matter increase the risk of chronic kidney disease and failure.
Analysis of Chinese life expectancy data reveals a significant impact of airborne particulate matter (PM) on mortality rates. Exposure to PM smaller than 10 microns is estimated to reduce life expectancy by 0.6 years for every 10 μg/m3 of PM10.
A study in São Paulo City found that switching from bio to fossil fuels in flex-fuel cars results in a 30% increase in ultrafine particulate matter. The rise in ethanol prices led to a decrease in its consumption, causing an increase in nanoparticles pollution.
The study found that COPD is largely caused by smoking and air pollution, while asthma's causes are less clear but include smoking and allergens. Interventions can prevent or treat both diseases, but many cases go undiagnosed or undertreated.
Researchers have developed a method using mosses (bryophytes) to evaluate atmospheric conditions in urban areas, including nitrogen pollution severity and drought stress. The study found that bryophytes can indicate the degree of nitrogen pollution and drought levels, making them a valuable tool for assessing environmental changes.
A study published by the American Heart Association found that exposure to high levels of fine particulate matter increased stress hormone levels and negative metabolic changes in healthy young adults. Air purifiers reduced these effects, with significant benefits seen in blood pressure, insulin resistance, and biomarkers of inflammation.
Exposure to air pollution during the first two trimesters of pregnancy has been shown to increase risk for preterm birth and low birth weight. The study's findings also suggest that exposure to fine particulate matter (PM2.5) can lead to decreased body length, placental weight, and anogenital distance.
A new study finds that increased air pollution particles in the air can cut life expectancy by 9-11 years, with a significant difference in estimated costs between the US and EU. The study uses a lifetable of 100,000 people to simulate the effect of long-term exposure to increased air pollution.
Exposure to particulate air pollution after liver cancer diagnosis significantly increases risk of premature death. Higher exposure levels further elevate the risk of dying from liver cancer or any cause.
A new study quantifies CO2 emissions from Sydney Harbour for the first time, finding 1000 tonnes annually, equivalent to 200 cars. The research also reveals that during periods of high rainfall, the harbour becomes a carbon sink.
A study by Michigan Technological University found that transitioning to solar photovoltaics (PV) could save up to 51,999 American lives at $1.1 million invested per life. Solar power also has economic value, producing electricity that can be profitable to invest in, sometimes as much as several million dollars per life.
A new international study reveals that man-made pollution in China's vital ecosystems is devastating its ability to absorb carbon from the atmosphere. The research found that surface ozone causes more harm than aerosol particles, which could lead to a 70% reduction in damage if pollution levels are reduced.
A new study reveals that human activity has polluted European air almost uninterruptedly for the last ca. 2000 years. Lead pollution from mining and smelting was detectable well before the Industrial Revolution and only when the Black Death pandemic halted those activities did lead in the air return to natural levels.
A study by Dr. Mihkel Pindus et al found exposure to traffic-related particulate matter (PM) was associated with cardiac diseases in Tartu, Estonia, whereas PM from residential heating had no link. The results confirm the health effects of low-level PM and highlight differences in associations depending on the PM source.
A new study found that children exposed to high levels of outdoor particulate air pollution during pregnancy and high maternal stress were more likely to develop asthma by age six. Boys were particularly affected, possibly due to slower lung maturation and increased risk of oxidative stress.
During heat waves, urban trees can significantly increase air pollution levels and the formation of ozone. Researchers found that VOCs from plants contribute to about 6-20% of ozone formation in cities, but this contribution spikes to up to 60% during heat wave periods.
Surface ozone and anthropogenic aerosol haze pollution in China decrease the regional net primary productivity (NPP) by 9-16% of total NPP, accounting for 16-32% of total anthropogenic carbon emissions. Aerosol direct effects enhance annual NPP by 0.2 Pg C.
A University of Washington study reveals that during large climate swings, oxidants shift in a different direction than expected, leading to changes in ozone and greenhouse gas levels. Researchers propose two possible explanations: a change in atmospheric circulation patterns and chemical reactions with halogens.
Researchers developed a process that purifies polluted air while generating power as hydrogen gas, which can be stored and used as fuel. The device uses specific nanomaterials and is triggered by sunlight, offering a promising solution for clean air and alternative energy production.
A new study published in Environmental Science & Technology shows that air conditioning increases air pollution by hundreds to thousands of metric tons, particularly sulfur dioxide, nitrogen oxides, and carbon dioxide, with a 3-4% increase per degree Celsius rise in temperature
Researchers tracked gold nanoparticles after inhalation, finding they accumulated at inflamed vascular sites and preferredentially reached susceptible areas of the cardiovascular system. This suggests that nanoparticles could increase the likelihood of heart attacks or strokes in individuals with pre-existing cardiovascular conditions.
Research suggests that high levels of traffic-related air pollution can lead to lower levels of high-density lipoprotein (HDL) cholesterol, also known as "good" cholesterol. This can increase the risk of cardiovascular disease by reducing the number and functionality of HDL particles.
A large US study found that living in areas with high fine particle air pollution may increase the chance of dense breasts, a well-established breast cancer risk factor. Women with dense breasts were more likely exposed to high PM2.5 levels.
Researchers found that snow absorbs certain polycyclic aromatic hydrocarbons from car emissions, increasing toxic pollutant levels in the environment. The study highlights the need for further research to reduce premature deaths caused by mild air pollution in North America.
A study published in Nature found that air pollution mortality is disproportionately felt by people living near producing regions, often far from where goods are consumed. The researchers estimated that 22% of fine-particulate-matter air pollution deaths were related to goods produced elsewhere.
A study by University of California, Irvine researchers finds that global manufacturing and trade significantly increase health risks for people in regions far from producing factories, with 22% of air pollution-related deaths associated with goods produced elsewhere.
A new study found that global climate change is linked to severe winter haze in eastern China, with Arctic sea ice loss and extensive snow contributing to poor ventilation conditions. The 2013 'airpocalypse' event was exacerbated by these factors, highlighting the need for stringent emission reductions to mitigate future haze events.
Researchers found infants in prams are exposed to higher levels of fine and ultrafine particulate matter during the morning drop-in hours compared to the afternoon drop-off hours. Bus stops and traffic lights pose significant risks to young children's health due to high concentrations of pollutants.
Excess emissions from Volkswagen's diesel cars sold between 2008 and 2015 will cause approximately 1,200 premature deaths across Europe. The countries hardest hit include Germany, Poland, France, and the Czech Republic.
Research discovered that black carbon alters bacteria's ability to survive and combat antibiotics, increasing the risk of infection. The study also found that air pollution can change the way bacteria behave and cause disease.
A new study suggests that air pollution can dissolve iron particles in airborne particles, increasing the amount of greenhouse gases that the world's oceans can absorb. Scientists have found thick sulphate coatings containing soluble iron on iron-rich particles from steel manufacturing and coal burning in the East China Sea.
A study by academics at the University of East Anglia suggests that insights from behavioral science can help design road signs to encourage drivers to switch off their engines while waiting at railway crossings. Researchers found that simple visual and written cues doubled the rate of people turning off their engines, with a more effe...
USC-led study finds that older women living in areas with high PM2.5 levels are 81% more at risk for global cognitive decline and 92% more likely to develop dementia, including Alzheimer's disease. Exposure to air pollution particles may accelerate brain aging and promote Alzheimer's disease.
Research reveals companies strategically locating facilities near downwind state borders to avoid 'not-in-my-backyard' opposition, while also sharing air pollution costs with neighboring states. The study finds a significant trend of large polluters being more likely to locate near downwind state borders.
A clinical trial in Nigeria replaced biomass and kerosene cookstoves with ethanol stoves, reducing the risk of high blood pressure and cardiovascular disease in pregnant women. The study found a significant decrease in high blood pressure among women who cooked with ethanol, with risks reduced by 97% compared to those using traditional...
A study of over 16,000 patients found air pollution reduces pulmonary vascular function and increases risk of decompensated heart failure. Limiting physical activity in heavily polluted areas is recommended.
A study by Tohoku University found that air pollutants cause hypersensitivity to itch, leading to skin inflammation and allergic diseases like asthma. The research team discovered that AhR, a transcription factor activated by air pollutants, causes itchy sensations through the expression of neurotrophic factor artemin.
Scientific cooperation on environmental pollution played a key role in easing Cold War tensions in the 1970s. Norway's lead on acid rain monitoring led to limited technological cooperation with the Eastern Bloc, paving the way for political relationships at the United Nations.
Research from University of North Carolina at Chapel Hill reveals that regions close to the equator are contributing more to the total global ozone increase due to their proximity to intense sunlight and heat. The study suggests that strategic policy planning is needed to address this issue.
A UBC study recommends cyclists ride at 12-20 km/h and pedestrians walk at 2-6 km/h to reduce air pollution inhalation. The ideal travel speeds, or minimum-dose speeds, vary by age and sex group, with faster speeds increasing pollution risk.
Research found that exposure to fine particulate matter air pollution is associated with abnormal changes in the blood, including increased micro-particles indicating cell injury and death, and proteins that inhibit blood vessel growth. This suggests that living in a polluted environment could promote the development of high blood pres...
Leading health professionals call for drastic reductions in CO2 and short-lived climate pollutants to stabilize the climate and reduce major health threats. Reducing these pollutants can prevent up to 2.4 million premature deaths annually, they argue.
Exposure to air pollution at home increases the risk of developing insulin resistance, a pre-diabetic state of type 2 diabetes. The study analyzed data from nearly 3,000 participants and found that people with impaired glucose metabolism are particularly vulnerable to the effects of air pollution.
Researchers found that international trade shifts climate impact from consuming to producing regions in East Asia. Aerosols emitted through industrial production or fossil-fuel burning contribute to climate change, with stronger forcing in producing than consuming countries.
Researchers found that certain essential oil compounds reduce inflammation in human cells damaged by fine particle air pollutants. The compounds, including trans-anethole and eugenol, decreased cytokine levels by up to 96%.
A study found that carbon-finance-approved cookstoves had only moderately lower indoor concentrations of pollutants compared to traditional stoves. The improvements were less than anticipated, with some families even continuing to use traditional stoves due to their preference for certain dishes.
The Atmospheric Tomography (ATom) mission surveys the atmosphere over oceans for the first time, measuring pollutants and climate gases. The DC-8 aircraft will document interactions between air masses, understanding where pollutants originate and how quickly they react chemically.
As air pollution increases, hydrocarbon molecules break down, confusing bees and increasing foraging time. This affects not only generalist but also specialist bees, impacting pollination and ecosystem balance.
A study found that regions in China with high levels of fine particulate air pollution have elevated rates of membranous nephropathy, an immune disorder of the kidneys. The likelihood of developing membranous nephropathy increased by 13% annually over 11 years.
A new study led by the University of Colorado Boulder found that global ethane emissions are increasing again after a steady decline between 1970 and 2005. The majority of the increase is attributed to North American oil and gas activity, which has reversed the emission controls implemented in the past.
Long-term exposure to household air pollution from fuels like kerosene, diesel, or natural gas may increase the risk of heart attacks and cardiovascular death. Burning cleaner fuels, such as natural gas, is associated with a lower risk of cardiovascular deaths, according to new research.
A new study published in The Lancet Neurology reveals that air pollution is a major contributor to stroke worldwide, accounting for nearly a third of the global burden. Modifiable risk factors such as smoking, poor diet, and low physical activity are also significant causes of stroke.
A new study from Umeå University in Sweden suggests that exposure to air pollution is associated with an increased risk of psychiatric diagnoses in children and adolescents. The research found a 9% increase in medication for at least one psychiatric diagnosis with a 10 microgram per cubic meter increase in nitrogen dioxide concentration.
A new study found that air pollution exposure can worsen blood sugar levels, cholesterol and other risk factors for heart disease. Participants with diabetes experienced higher changes in blood glucose and cholesterol levels when exposed to higher levels of particulate matter.
A systematic review of research published up to 2015 found an association between exposure to air pollution and a heightened risk of stillbirth. Specifically, small particulate matter and nitrogen dioxide were linked to a 2% increased risk of stillbirth.
A new study by Georgia Tech researchers shows that air pollution from East Asia has a devastating impact on oxygen levels in tropical waters. The pollutants kick off a chain reaction contributing to falling oxygen levels thousands of miles away.
A new study has found that moss can be a useful bioindicator of cadmium air pollution in urban areas. Researchers used moss to track down previously unknown pollution sources in Portland and created a fine-scale map of cadmium deposition across the city.
A new study by NYU Langone Health reveals that air pollution in the US is responsible for approximately 3% of premature births, with a total economic cost of $4.33 billion annually. The majority of these births occur in urban counties, primarily in Southern California and the Eastern U.S.