Articles tagged with Air Pollution
Research links long-term exposure to wildfire smoke with increased risk of stroke in US adults, estimating around 17,000 annual cases. The study suggests wildfire smoke may be more harmful than pollution from other sources, and highlights the need for preventative measures.
Residential wood burning accounts for over one-fifth of wintertime exposure to outdoor fine particulate matter, linked to increased risks of heart disease and premature death. By reducing indoor wood burning, Americans could decrease outdoor air pollution and save thousands of lives.
A new study using satellite data confirms that California's shift to electric vehicles is making measurable differences in air quality and public health. For every 200 ZEVs added, nitrogen dioxide levels dropped 1.1%.
A new study shows that China can significantly limit its cooling-related climate impacts by transitioning to cleaner refrigerants and adopting high-efficiency cooling technologies. This integrated approach could phase down cumulative HFC consumption by 12.6 Gt CO2e from 2022 to 2060, avoiding up to 0.015°C of global warming.
A study analyzing air pollutants' impact on lung cancer reveals that fine particulate matter (PM2.5) increases the risk of all subtypes, while NO2, O3, and SO2 are linked to non-small-cell lung cancer. No associations were found between gaseous pollutants and small-cell carcinoma.
A new study found that US forests have stored more carbon in the past two decades than at any time in the last century. Natural forces such as temperature, precipitation, and carbon fertilization are among the largest contributors to carbon gains, while human drivers like tree-planting and forest management also play a role.
A case-control study found that even low-level air pollution in Sweden may increase the risk of developing motor neuron disease. Long-term exposure was also associated with poorer disease prognosis after diagnosis.
A Swedish study published in JAMA Neurology found that prolonged air pollution exposure is associated with a higher risk of developing motor neuron disease, including ALS. Long-term exposure to even low levels of air pollutants was linked to faster disease progression and increased mortality rates.
Fine particulate matter and ozone exposure independently associated with poorer cardiac health outcomes in breast cancer patients treated with cardiotoxic therapy. Environmental exposure modifications are crucial to mitigate cardiovascular disease risk.
Researchers developed a new way of measuring indoor air pollution by analyzing human movement, showing elevated levels of pollutants during occupied periods. The study provides a new approach to designing healthier indoor spaces, combining Birmingham's air-pollution expertise with radar-based sensing and optimization techniques.
Korea University's Institute for Environmental Health trained faculty members from Karakalpakstan Medical Institute to improve environmental health in the region. The training aimed to enhance water quality and waste disposal management, fostering collaboration and joint research.
A Chinese research team detects high concentrations of microplastics and nanoplastics in urban atmospheres, revealing a previously underappreciated source of plastic pollution. The study provides new insights into the environmental transformation, fate, and broader implications of atmospheric plastics.
A study estimates that wildland fires release an average of 143 million tons of airborne organic compounds annually, 21% higher than earlier estimates. This increase poses complex air-quality challenges, particularly in regions such as Equatorial Asia and Northern Hemisphere Africa.
A cohort study found higher fine particulate matter (PM2.5) exposure associated with lower birth weight, particularly in early and mid-pregnancy. The study's findings suggest that understanding windows of susceptibility to environmental exposures can inform strategies for limiting exposure during critical periods.
The EPICC model significantly improves the accuracy of simulating PM₂.₅ and ozone, addressing issues found in traditional models. The open-source framework is designed to facilitate collaboration and provide a more effective decision-making tool for China and other rapidly developing countries.
A new carbon trading model suggests that the Philippines can reach net-zero emissions in its power sector by 2054 while cutting electricity costs. The model indicates that revenues from carbon trading markets would more than cover the costs of deploying renewable energy and emissions reduction technologies.
A new study by McGill University researchers found that fine particles in air pollution are associated with higher levels of a biomarker linked with autoimmune diseases. The findings add to mounting evidence that air pollution affects more than heart and lung health, potentially affecting the whole body.
Researchers developed a non-invasive OCT scanner to measure environmental stress in plants. The device reveals internal structural changes caused by ozone exposure, enabling early detection of deficiencies or stress-induced changes.
A new study finds that traffic-related pollution causes immediate changes in the atmospheric electric field, while particulate matter affects it more slowly. The research also identifies a 'weekend signal' where reduced emissions lead to a weakened electric field.
A recent study estimates that 22 million Americans exceed safe nitrogen dioxide exposure levels due to gas stove use. Gas stoves are found to be a significant source of indoor nitrogen dioxide emissions, particularly in households with multiple burners and oven usage.
A study conducted in Punjab, India, reveals a significant perception gap regarding air pollution from stubble burning. Residents are more likely to recognize severe air pollution in urban areas but underestimate its impact locally. Personal or familial health experiences play a crucial role in shaping awareness of the issue.
Research found a 42% increase in respiratory virtual visits among those living near burn zones, while cardiovascular virtual visits rose by 44%. In-person outpatient visits also increased substantially.
Researchers found that sea salt particles interact with urban pollution, chemically reacting to form toxic compounds. After the COVID-19 lockdown, reduced pollution allowed more naturally occurring sea salt components to persist, offering potential implications for human health and climate.
A new study found that long-term exposure to toxic air can weaken the health benefits of regular exercise. The study analyzed data from over 1.5 million adults and found that people living in high pollution areas had a reduced risk of dying, but not eliminated, despite exercising regularly. Clean air can still enhance health gains, wit...
A new study highlights 21 critical barriers to implementing green and blue infrastructure, including technical, social, economic, governance, and policy challenges. The research provides actionable strategies for practitioners and policymakers to enhance GBI resilience across diverse urban settings.
Research by University of Birmingham scientists reveals that lower-income individuals are more likely to own cheaper, higher-emitting vehicles contributing disproportionately to local urban air pollution. Spending an additional £10,000 on a diesel vehicle is associated with a 40% reduction in nitrogen oxide emissions per litre.
Researchers found a strong association between nitrogen dioxide levels and increased risk of cardiac arrest, with a 7% rise for every 10 micrograms per cubic metre increase. The study highlights the importance of considering environmental data in health forecasting systems.
A recent study using UK Biobank data found that greener environments may reduce the risk of postmenopausal breast cancer associated with air pollution. The researchers analyzed data from over 500,000 women to investigate the relationship between green spaces and air pollution on breast cancer risk.
Recent court cases use medical and scientific evidence to defend human rights to health, attributing health impacts to climate change. Health professionals can help characterize cause of deaths and disease resulting from climate change impacts, and drive action by supporting legal interventions against big polluters.
A new study shows that reducing air pollution has decreased the brightness of marine clouds, leading to accelerated warming. Scientists attribute 70% of this change to aerosols, and researchers are exploring ways to make clouds shinier without polluting the air.
A new study led by the University of Washington analyzed data from over 20,000 births and found that pregnant people exposed to wildfire smoke were more likely to give birth prematurely. The risk was highest in mid-pregnancy and peak exposure levels above 10 micrograms per cubic meter were associated with elevated risks.
Scientists propose 'Environmental Catalytic Cities' with self-purification function to remove air pollutants, using stable and green catalytic materials. This technology could mitigate urban air pollution without extra energy consumption.
A new method developed at the University of Warwick offers a simple way to calculate how irregularly shaped nanoparticles move through air. The study reworks a 100-year-old formula to bridge a key gap in aerosol science, providing accurate predictions for particles of any shape.
The Lancet Countdown report reveals that the world is facing unprecedented levels of health threats due to climate change, with millions of lives lost unnecessarily. The report calls for urgent action to limit future harm by prioritizing human health in policy decisions.
The ATP-DEC calculator provides accurate and transparent information on carbon disclosure, helping align aviation with climate targets. It captures real-world variations and life cycle emissions, making it a crucial tool for policymakers, airlines, and passengers.
A new study reveals Low-Cost Source Apportionment (LoCoSA) is being used to great effect across the Global South, offering a powerful tool for improving public health and environmental policy. Researchers are now putting their findings into practice in Uganda, identifying and understanding dominant sources of Kampala's air pollution.
A new study published by Yonsei University reveals that air pollution is a significant contributor to workplace accidents, increasing the risk of accidents and fatalities by 2.6 times when PM2.5 concentrations double. The study estimates economic losses of up to $10 billion annually.
A large cohort study found associations between prenatal fine particulate matter components and postnatal ozone exposure with increased risk of autism spectrum disorder. These findings suggest that air pollution may play a role in the etiology of autism, warranting further research.
A study published in npj Clean Air found significant reductions in NO2 and NOx pollution following the introduction of ULEZ in 2019. The team also found that the benefits extended beyond the designated zone, indicating a wider spill-over effect.
A new study reveals that limiting temperature overshoot can prevent hundreds of thousands of premature deaths while avoiding trillions of dollars in economic damages. The research found significant health benefits by improving air quality, particularly in regions with high population density.
A study by Pusan National University finds that aerosols intensify ocean rainfall while delaying land storms, affecting water resources and flood protection. High aerosol levels alter precipitation patterns, with increased rainfall over the ocean and decreased rainfall over land.
Researchers found a strong link between compound droughts and wildfires in California, leading to increased fine particulate matter (PM2.5) concentrations. The study shows that severe droughts can substantially raise wildfire risk, with PM2.5 levels increasing by 9.5·m³ under extreme conditions.
Long-term exposure to fine air pollutants like PM2.5 can impair metabolic health by disrupting the normal function of brown fat through complex epigenetic changes. The study identified two enzymes, HDAC9 and KDM2B, as key drivers of this process.
Researchers found tiny air pollution particles sticking to red blood cells after exposure to roadside pollution, which can travel to organs like brain and heart. Wearing an FFP2 face mask reduces the amount of particles stuck to red blood cells.
A new study reveals that wildfire smoke particles act like tiny chemical factories under sunlight, generating peroxides and other pollutants. This overlooked chemistry means current models are underestimating the impact of wildfires on air quality and climate.
Research from Colorado State University reveals how wildfire smoke combines with existing particulate pollution to create secondary, often more toxic, pollution and contribute to ozone formation. The study found that 90% of aerosol pollution over NYC is sensitive to at least one aspect of global changes, such as high temperatures.
A multi-national study found that higher levels of air pollution are linked to worse symptoms of obstructive sleep apnea (OSA) in European patients. The study revealed a modest but measurable increase in the apnoea hypopnea index (AHI) for every one unit increase in PM10 concentration.
Research presented at the European Respiratory Society Congress found that a healthy diet rich in fruits and vegetables can partially mitigate the adverse effects of air pollution on lung function. Women who consumed four portions of fruit per day or more appeared to have smaller reductions in lung function associated with air pollution.
The latest Global Burden of Disease study reveals a significant increase in cardiovascular disease (CVD) burden worldwide, with CVD causing one in three deaths globally. The report estimates that 79.6% of all CVD deaths are attributable to modifiable risk factors, which has increased globally by 97.4 million since 1990.
Exposure to lower levels of air pollutants is associated with improved vision in children, suggesting that reducing exposure could slow the progression of myopia. Children who live in areas with cleaner air have better vision, especially younger students.
A new study finds that large wildfires like those in Colorado, Oregon, and California increase ozone concentrations by 21 parts per billion, exceeding health standards. The research team developed a computer model to simulate the effects of wildfire smoke on ozone levels, highlighting the urgent need for air quality monitoring.
A growing body of research links environmental pollutants to worsened health and shorter life spans in childhood cancer survivors. The study found that only 25% of pediatric oncology providers felt comfortable discussing environmental pollutant impacts with patients.
Research by ETH Zurich reveals human-induced climate change has increased extreme heat wave frequency and severity, with fossil fuel and cement production contributing significantly. The study highlights the responsibility of large carbon emitters, such as oil and gas companies, in exacerbating heat waves.
A federally funded study found children with leukemia who were exposed to pesticides during their mother's pregnancy had a higher risk of death. The study, published in Cancers, examined over 800 children and showed pesticide exposure increased child mortality by up to 60%.
A study found that fine particulate matter air pollution exposure is associated with increased dementia severity and Alzheimer disease neuropathologic changes. Population-based studies are needed to better understand this relationship.
A study found that living in areas with high air pollution concentrations accelerates cognitive decline and worsens Alzheimer's disease by increasing the buildup of toxic proteins in the brain. Exposure to fine particulate matter, such as PM2.5, was associated with increased risk of severe amyloid and tau pathology.
Compound heat and air pollution episodes are becoming more frequent and intense in US cities, posing a significant threat to public health. The study found that urban areas experience more frequent overlaps of extreme heat with harmful air pollutants than surrounding rural areas.
A study led by Harvard T.H. Chan School of Public Health found that long-term exposure to fine particulate air pollution (PM2.5) from metals like nickel and vanadium, and sulfate particles, is strongly linked to asthma hospitalizations. The researchers identified these compounds as the most harmful components in the PM2.5 mixture.
A major new study quantifies the health impacts of outdoor air pollution from US oil and gas activities, revealing widespread disparities in exposure and health burden across racial and ethnic groups. The research estimates 91,000 premature deaths annually, with Black, Asian, Native American, and Hispanic populations most affected.
Purdue researchers found that heat-based hair care routines release significant amounts of airborne nanoparticles, posing serious health risks. The team's study reveals that using typical store-bought hair care products can expose individuals to upward of 10 billion nanoparticles in a single session.