A new study found that air pollution shortens human lives by over a year globally, with better air quality potentially extending lifespans. The researchers analyzed data from 185 countries and quantified the national impact of PM2.5 air pollution on life expectancy.
Four low-cost indoor air quality monitors reliably detect high levels of particulate matter in the air, enabling use of ventilation systems or air cleaners to reduce pollutant exposure. However, all monitors faltered for ultrafine particles smaller than 0.3 micrometers, which pose significant health risks.
A study published by the USDA Forest Service found that tweets from California during the 2015 wildfire season could predict air quality impacts from smoke. The research combined ground-based monitoring with a topic model mapping citizens' tweets to improve models for predicting smoke dispersion.
A new study by the University of Washington shows that winter air pollution levels in the eastern US have remained high due to complex chemical processes, rather than reduced emissions. The study highlights the need for further emissions reductions to improve wintertime air quality.
Researchers in Shanghai discovered new particles formed in polluted air, defying expectations and highlighting the need for emission reductions to mitigate climate change. The study provides new insights into urban particle formation (NPF) and its role in affecting local and global air quality.
Recent studies suggest a potential relationship between air pollution and infertility, menstrual irregularity, uterine fibroids, and endometriosis. Researchers emphasize the need for further exploration of these findings to support policy guidelines on air pollution and human health.
A new study forecasts up to 1,000 additional deaths annually in the Eastern US due to elevated air pollution from increased air conditioning use. The study suggests transitioning to clean energy sources like wind and solar power to mitigate these effects.
Summer monsoons in South Asia purify the air of certain pollutants by oxidizing them into less volatile products, which then exit the atmosphere through rain. However, these monsoons also disperse other pollutants globally through a massive anticyclone circulating above the region.
The TRAX project is the only known transit-based mobile air quality network in North America. It has mapped out where and when different pollutants are present along its route, providing valuable insights into air pollution and greenhouse gas emissions.
The Citizen-Enabled Aerosol Measurements for Satellites project deploys 250 air samplers across Colorado and the Northwest, collecting precise measurements of air quality. The study aims to improve satellite-derived pollution estimates and better understand where air pollution is dirtiest.
Researchers developed a novel gel-like material that effectively dehumidifies ambient air while harnessing the moisture in the air for various applications. The hydrogel can absorb water from surrounding air more than 2.5 times its weight and performs at least eight times better than commercial drying agents.
A Cedars-Sinai study found that prolonged air pollution exposure in the Los Angeles Basin triggers inflammation and cancer-related gene expression in rat brains, particularly due to nickel content. The research highlights the need for reducing ambient air pollution levels.
A new study reveals that US improvements in air quality are slowing down, making it challenging to meet ozone pollution goals. The slowdown is attributed to slower-than-expected reductions in emissions from industrial and commercial sources.
A new MIT study estimates that China's climate policy would improve air quality and human health, saving $339 billion in health costs by 2030. The researchers used a new modeling approach to simulate the effects of different policy scenarios on provincial air quality and public health.
Researchers recommend integrating smart-sensor-controlled air cleaning technologies with plants to optimize indoor air quality. Plants absorb carbon dioxide, increase humidity, and passively absorb pollutants, making them a potential solution for reducing indoor pollution and saving energy.
A new study suggests that air pollution from traffic-related emissions is a significant contributor to childhood asthma cases in Bradford, with up to 24% of annual cases potentially attributed to this factor. The research highlights the need for policies aimed at reducing traffic-related air pollution to mitigate its effects on childre...
Researchers at UIC and Argonne National Laboratory designed a new lithium-air battery that can operate in a natural-air environment without oxidation or buildup of undesirable byproducts. The battery achieved record-breaking 750 charge/discharge cycles, surpassing previous experimental designs.
The US has seen significant improvements in air and water quality since the Clean Air and Clean Water Acts were enacted in the 1970s. Long-term monitoring programs have tracked declines in pollutants like sulfur, nitrogen, mercury, and lead, leading to benefits for human health, economies, and environments.
Researchers used a container to measure light extinction coefficients, gaseous NO2, and black carbon from ground surface to 260m during daytime and nighttime. The study found temperature inversion and local emissions as major factors affecting vertical profiles of air pollutants.
Researchers found a significant association between rapid increases in air pollution and cardiovascular risk, even in clean air cities. Nitric oxide increases of over 20 μg/m3 within 24 hours doubled the risk of heart attack.
A team of researchers at Kaunas University of Technology has created a new generation indoor air cleaning device using advanced methods for breaking down pollutants. The eco-friendly technology will clean the air from nanoparticles and gas pollution, improving human health.
The American Thoracic Society and Marron Institute report estimates that meeting the ATS's standards for ozone and fine particulate matter would save approximately 6,270 lives annually and avoid 15,300 instances of serious illness. Implementing these standards could reduce missed school and work days by 12.7 million.
A study published in Psychological Science found that exposure to air pollution, whether physical or mental, is linked with transgressive behavior through increased levels of anxiety. Participants who imagined experiencing air pollution engaged in more unethical behavior than those who thought about clean environments.
A Hong Kong Baptist University study found that skin squames from humans contribute to odors in air-conditioning systems by providing a food source for bacteria. The researchers recommend installing filters to capture skin squames, which can help mitigate odor problems.
Research reveals exposure to air pollution during high school is correlated with menstrual cycle irregularity, potentially affecting reproductive health. The findings suggest reducing emissions could mitigate human disease implications.
A new study highlights the need for more detailed information about pollutant emissions to improve air quality models. Current data gaps lead to uncertainty in emission figures, affecting policymakers' decisions.
Researchers at ETH Zurich investigate extreme winter weather events that led to unprecedented sea ice melting. A unique combination of air currents and high-pressure systems accelerated the melting, reducing sea ice thickness by 30 centimeters in some areas.
A study by University of Utah Health and Intermountain Healthcare found that bad air quality in the region causes more than 200 pneumonia cases each year, with older adults being particularly vulnerable. The research also estimates that improving air quality could save up to $1.6 million in healthcare costs annually.
Wildfire smoke plumes spread across the US, causing devastating effects on air quality and health. Researchers found that smoke from wildfires can tip air quality to unhealthy levels, particularly in urban areas with high population densities.
A study published in The Lancet Planetary Health found that air quality alert programs, like Toronto's, had limited effects on protecting public health. However, the authors suggest that collective and enforceable actions, such as improved urban planning and emission control, may be more effective in reducing health risks from air poll...
A team of researchers from the University of Bonn has discovered a unique type of bony tissue called pneumosteum, which is found in birds and some dinosaurs. This discovery provides new insights into the evolution of their respiratory systems and opens up possibilities for studying extinct species.
A University of Utah study finds Arctic clouds highly sensitive to air pollution, with particulate matter spurring cloud formation and amplifying the warming effect. The research suggests controlling airborne pollutants could ease Arctic cloud cover and slow down warming.
A large study found that short-term exposure to air pollution at levels below current standards was associated with a higher risk of death in Medicare patients. Daily increases in fine particulate matter and ozone were linked to increased mortality rates, even when levels were below the national air quality standards.
A new study from Harvard T.H. Chan School of Public Health found that short-term exposure to fine particulate air pollution and ozone is linked to a higher risk of premature death among the elderly in the US, particularly those who are low-income, female, or Black.
Researchers at Forschungszentrum Jülich observe deposits forming on iron electrodes during operation, revealing a key to improving battery performance. The findings enhance energy density and capacity, paving the way for widespread adoption in mobile applications.
New research by UNC Chapel Hill shows that global GHG reductions will significantly benefit US air quality and human health in 2050. Foreign GHG mitigation efforts contribute substantially to reduced deaths from PM2.5 and O3-related mortality, with co-benefits estimated at $137 per ton CO2.
Climate policies aimed at limiting global warming below 2C can reduce air pollution-related deaths by 15-40% annually, while raising crop yields by 2.5-6.6%. The report also finds that these measures could save over 300,000 lives annually by 2030.
A new study published in Environmental Research Letters confirms China's clean air action has reduced PM2.5 concentrations by 21% since 2013. The study estimates that premature mortality related to PM2.5 pollution decreased by 9% due to improved air quality.
Researchers investigate whether N95 respirators offer protection against fine particulate matter and its associated health risks, including heart disease, stroke, and respiratory problems. The study aims to provide evidence for effective interventions in high-pollution areas.
A University of Washington study found a direct connection between toxic air and mental health, with fine particulate matter linked to increased psychological distress. The study, which controlled for other factors, showed that even moderate levels of pollution can be detrimental to health, particularly among specific populations.
Researchers found that lichen samples from Moscow and Nizhny Novgorod had higher free radical concentrations than those from cleaner towns. The study suggests using electron paramagnetic resonance spectroscopy to monitor air quality in cities without traditional stations.
The study presents a novel catalyst for metal-air batteries with excellent electrochemical performance, close to that of precious metal catalysts. The new catalyst, PBSCF-NF, exhibits high surface areas and improves the bi-functionality of oxygen reduction reaction and oxygen evolution reaction.
A new study will investigate the biological mechanisms triggered by exposure to air pollution during pregnancy, leading to lower birth weight in newborns. The research aims to understand how air pollution affects fetal growth and development.
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 study found a linear relationship between air pollution levels and the risk of experiencing kidney function decline and developing kidney disease or failure. The results suggest that particulate matter above the EPA's recommended limit is associated with new cases of chronic kidney disease (CKD) and end-stage renal disease (ESRD).
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.
Researchers found that low-income households living in subsidized housing are exposed to hazardous chemicals from building materials and personal care products. The study highlights the need for broader green building standards to address indoor air pollution, particularly in vulnerable communities.
Researchers propose switchgrass as a solution to China's poor air quality by reducing particulate emissions from soil erosion. The crop's ability to hold soil and produce biomass makes it an attractive alternative to coal, with potential for widespread adoption in the Loess Plateau region.
A new study found that deep-sea dispersant injection improved air quality for responders at the Deepwater Horizon disaster site. The subsea injection may have broken up petroleum into smaller droplets, reducing volatile toxic compounds in the air and allowing responders to work longer without respirators.
Researchers at the University of Sydney have made a breakthrough in rechargeable zinc-air batteries by developing a new three-stage method that produces low-cost and high-performance catalysts. The new catalysts can be used to build rechargeable zinc-air batteries, overcoming one of the biggest hurdles preventing their widespread use.
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.
A recent survey reveals that air pollution has a significant impact on bird health, reproductive success, and diversity. Only two field studies have been conducted since 1950 on the topic, highlighting the need for further research.
A new study found that installing 'cool roofs' in Southern California could lead to small increases in ozone and fine particulate pollution levels. The predicted increase can be minimized by requiring more comprehensive performance standards for cool-roofing materials.
Researchers from Lomonosov Moscow State University found that electrode passivation in lithium-air batteries is triggered by the binding of superoxide anion with lithium ions. They suggested using solvents, electrolytes, and materials to inhibit this process, which could lead to more efficient battery operation.
A new study estimates that climate change will cause 60,000 premature deaths globally by 2030 and 260,000 by 2100 due to increased air pollution. The research uses global climate models to predict changes in air quality and health outcomes.
A study by Northwestern University researchers found that the concentration of ultrafine particles less than 50 nanometers in diameter rose when drivers switched from ethanol to gasoline, but decreased when they switched back. This shift had a significant impact on air quality, with potential health benefits
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.
Research from the University of Leicester and EarthSense reveals associations between air pollution and type 2 diabetes in a large cross-sectional study. Demographic factors largely explained the association, but the study suggests continued research into potential long-term exposure factors.
Air quality in China is improving due to better monitoring and regulation, leading to increased demand for electric cars and pollution-fighting technologies. The government's efforts have made China a major market for these devices, with suppliers experiencing a boon as the country transitions to cleaner energy sources.
Researchers create most detailed and extensive local map of air pollution ever produced for an urban area, mapping air quality on a block-by-block basis. The study reveals air pollution can vary dramatically even within a single city block.