Articles tagged with Air Pollution
A Peking University study found that population ageing, not just air pollution, contributes to rising dementia deaths in China. Lower PM2.5 levels have brought health benefits, but the rapid growth of China's older population offsets progress.
A PolyU research team discovered that low concentrations of bacterial toxins in urban air can trigger nearly 20% of inflammatory responses, while drug-resistant fungi may spread through everyday breathing or skin contact. The study highlights the need to identify and control these highly toxic trace components to effectively reduce hea...
Research finds association between high air pollution and increased risk of post-surgical complications, including sepsis, pneumonia, and surgical wound infection. Higher levels of PM2.5 air pollution above EPA daily limits increase risk by 8%.
A new study published in Communications Sustainability reveals that investing in renewable energy yields more combined climate and public health benefits than direct air capture. The analysis models the health and climate benefit of cost-equivalent deployments of DAC, solar, and onshore wind across US grid regions from 2020 to 2050.
A national survey of Australian tunnel construction workers found significant silica dust exposure risks, with many reporting barriers to effective dust control measures. The study calls for stronger regulatory enforcement and oversight to prevent preventable disease in the high-risk industry.
A study by King's College London found that babies exposed to high levels of air pollution in the womb show slower signs of development at 18 months compared to those exposed to lower levels. This is particularly true for premature babies, who experience poorer motor and language skills.
A recent study has found a significant link between ambient air pollution and an increased burden of respiratory infections in the first year of life. The Immune Development in Early Life (IDEaL) Rome Cohort study suggests that exposure to urban pollutants during infancy may fundamentally shape immune resilience, leading to a higher ri...
Scientists calculate that high leakages of ozone-depleting substances from feedstocks could delay ozone recovery by about seven years. The Montreal Protocol made an exception for the use of these substances in producing other materials, but recent estimates suggest higher leakage rates than initially thought.
Research reveals OH concentrations in China, Europe, and US are 300% higher than in clean regions, linked to increased NOx emissions. The study's observation-based approach provides a reliable characterization of long-term hydroxyl changes, shedding light on the impact of human activities on atmospheric oxidation capacity
A long-term study found children living near the Salton Sea have slower lung function growth, with effects comparable to freeway exposure. The researchers controlled for various factors and found that dust exposure was linked to lower lung capacity, suggesting potential long-term health implications.
A new study finds that dairy manure digesters are highly effective in reducing methane emissions from cow manure, with most systems performing well. However, occasional leaks of large magnitude offset the climate benefits, highlighting the need for thorough monitoring and verification.
Emissions of nitrogen oxides (NOx) and carbon monoxide (CO) in Salt Lake City have declined significantly over the past two decades, driven by improved vehicle technology and emission standards. Meanwhile, levels of carbon dioxide (CO2), a major contributor to climate change, have remained relatively steady.
A new study finds that air pollution alerts issued in China's cities significantly reduce PM2.5 levels and prevent nearly 54,000 premature deaths over a five-year period. The alerts trigger short-term actions to limit pollution, resulting in a 30-40% reduction in acute mortality risk due to PM2.5.
Two studies led by Boston University School of Public Health researchers found that people living in redlined neighborhoods were less likely to conceive than those in favorable areas. The findings suggest that historical practices like redlining continue to influence reproductive health disparities in present-day communities of color.
The study found a significant reduction in NO2 levels, but limited effect on PM10 and PM2.5 particles within the LEZ. The results indicate that the zone contributes to improving air quality, highlighting the need for additional measures.
A new study reveals that socioeconomic factors and renewable energy adoption significantly influence the risk of mortality related to air pollution in Europe. Regions with lower GDP per capita and poverty rates, particularly in Southern and Eastern Europe, experienced a higher risk of mortality associated 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 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.
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.
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...
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.
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.
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.
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.
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 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 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 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 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 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.