Articles tagged with Air Pollution
A new study found that high levels of air pollution can amplify the risk of suicide associated with heat stress, especially during the warm season. The researchers analyzed 7,500 suicide cases in Utah and found a strong synergistic effect of heat and nitrogen dioxide.
In England, over a third of councils face industry legal threats for clean air campaigns; the stove industry lobbied local authorities to ignore public health risks. Key findings include wood burning's significant contribution to fine particle air pollution and its link to various health conditions.
Low-smoke fuels produce a two- to three-fold increase in ultrafine particles, even as total mass of particulate emissions is reduced. UFPs penetrate deep into the respiratory tract and induce severe pulmonary inflammation, promoting higher lung and alveolar deposition.
Researchers found that microbes can use mercury sulfide nanominerals as an energy source, releasing volatile elemental mercury into the air. The study estimates that this process could release hundreds of tons of mercury per year, comparable to cement production.
A new mechanochemical approach uses water as a catalyst to transform renewable resources into high-performance porous materials capable of capturing CO2 while removing pollutants. The method produces carbon-negative materials with exceptional hydrophobic characteristics and scalable production.
New research reveals that house fires release harmful compounds into the air, with synthetic materials like plastics and insulation contributing to higher levels of VOCs. However, their impact is often muted due to their small composition fraction in a typical home.
A nationwide Japanese study of 270,000 patients found that widespread mask-wearing during the pandemic significantly lowered PM2.5-associated risk of MINOCA, a non-obstructive type of heart attack. The study suggests that simple protective measures like mask use can mitigate cardiovascular risks associated with air pollution.
A large cohort study found that air pollution exposure increases the risk of Alzheimer's disease, particularly in individuals who have experienced a stroke. The study suggests that improving air quality could be an important way to prevent dementia and protect older adults.
Researchers have developed a new method for cleaning oil spills using massive fire whirls, which can burn through crude oil nearly twice as fast as in-situ fire pools. The results show that fire whirls produce 40% less soot and consume up to 95% of the fuel, leaving fewer harmful particles behind.
A study by Leibniz Institute for Tropospheric Research found that particulate matter concentrations depend heavily on height above ground level. Drone measurements supplemented with standard data improved air quality models and strategies to combat air pollution.
A new study by Cardiff University reveals how ambitious climate action can save up to 1.32 million lives per year by 2040 by addressing global air quality inequalities. The research highlights the importance of cross-border pollution exchanges in achieving health benefits and reducing inequality between countries.
A new collaborative study evaluates potential dust control measures for the Great Salt Lake, considering effectiveness, cost, water demand, maintenance needs, and ecological impacts. The analysis emphasizes the importance of long-term planning, sustained maintenance, and careful consideration of unintended consequences.
Scientists have uncovered practical strategies that can significantly reduce harmful air pollution from composting while improving the quality of organic fertilizers. Biochar emerged as the most effective single solution, consistently reducing ammonia and nitrous oxide emissions while enhancing nitrogen retention.
Reducing air pollution levels may help delay and mitigate physical disability in aging adults, according to a new study published in JAMA Network Open. The findings suggest that lower air pollution levels are associated with slower progression of physical function limitations and disability.
A drone equipped with low-cost air quality sensors has revealed unexpectedly high concentrations of particulate matter at around 100 meters above ground level in Delhi. The findings suggest that current model simulations underestimate PM2.5 mass concentrations during morning haze episodes, highlighting the need for better mitigation st...
A new study reveals that China's construction sector is a significant driver of premature deaths due to ambient fine particulate matter (PM2.5) exposure. The research estimates that around 1.1 million premature deaths were caused by construction-related emissions in 2019.
A recent study by PLOS reveals that large increases in PM2.5 exposure from wildfires have overshadowed gains made in reducing air pollution disparities in traditional sources, particularly among California's racial groups.
Researchers create novel contactless electricity generation technique leveraging electrostatic charges and viscous force of compressed air. The device generates high ESD-based outputs, powering electronic devices and regulating humidity.
A new study provides a tool to quantify responsibility for PM 2.5 pollution, highlighting the impact of cross-state pollution on public health. The research highlights inequality in pollution across US states, with some facing disproportionate health risks and responsibilities.
Researchers found clouds in North Atlantic region formed with fewer, larger droplets, yet remained unchanged in reflectivity; overall water content increased to maintain balance.
A new study from the University of Birmingham found that air frying fatty foods produces fewer VOCs and ultra-fine particles compared to other cooking methods. However, repeated use without cleaning can negate some benefits for indoor air quality.
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.
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 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.
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.
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 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.
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.