Articles tagged with Air Pollution
A Dartmouth-led study found that air pollution from fossil fuels reaches the remote Arctic, altering its fundamental atmospheric chemistry. The researchers detected declines in methanesulfonic acid, a biomarker linked to phytoplankton productivity, which plummeted in environments high in emissions.
Industrial fishing practices in tropical and subtropical waters release high levels of methylmercury into the ocean. The majority of this mercury is found in large pelagic fish like tuna, which are then consumed by humans. This can lead to developmental delays in children and impaired cardiovascular health in adults.
A population-based study found that air pollution may lower Parkinson disease risk by modifying the disease phenotype and reducing dyskinesia. The study suggests a potential connection between air quality and Parkinson's disease progression.
A new study from Harvard T.H. Chan School of Public Health found that higher exposure to fine particulate air pollution (PM2.5) during infancy is associated with lower economic earnings in adulthood. The association was strongest in the Midwest and South, where an increase in PM2.5 exposure by one microgram per cubic meter was linked t...
Two studies found that long-term exposure to air pollution increases the risk of hospitalization for respiratory conditions, including asthma and COPD. Green spaces may actually increase emergency room visits for respiratory issues when combined with hay fever.
Researchers have found elevated 'oxidative potential' in sediments from the Great Salt Lake's playa, indicating a greater risk to human health. The sediments contain high levels of toxic metals, including lead, manganese, and arsenic, which can cause respiratory issues like asthma.
A Danish study found long-term exposure to air pollution and road traffic noise increases the risk of infertility in both men and women. Men exposed to higher levels of PM2.5 had a 24% increased risk of infertility, while women over 35 years old exposed to louder road traffic noise had a 14% increased risk.
A worldwide survey by Goethe University Frankfurt found that students in environmental studies are unaware of the main causes of biodiversity loss. The study identified eight response types with varying levels of understanding, with climate change being underestimated in many countries. The researchers suggest that this lack of knowled...
A study published in PLOS Global Public Health found associations between depression and unhealthy commodities such as alcohol, tobacco, gambling, social media, ultra-processed foods, and air pollution. The review also highlighted links between these commodities and suicide, self-harm, and anxiety.
A study found that counties with higher levels of structural racism had a 7.8-times higher estimated risk of developing cancer from traffic-related air pollutants, emphasizing the need for policies to address racial inequalities in exposure to carcinogenic traffic pollution.
A team of researchers from Empa and the University of Bristol used a novel tracer gas method to accurately measure HFC-23 emissions from a Teflon factory. The study found that abatement measures were effective in reducing emissions, but discrepancies between reported and actual emissions suggest need for independent verification.
A University of Gothenburg study found that occupational exposure to particles in the construction industry may increase the risk of chronic kidney disease. Construction workers exposed to high levels of dust and particles were about 15% more likely to be diagnosed with the condition.
Research finds that weather patterns play a crucial role in triggering complex air pollution in Dongying, China. The study identifies specific synoptic patterns that contribute to the formation of fine particulate matter and ozone pollution, highlighting the need for targeted strategies to mitigate these issues.
A new USC study led by Caleb Finch shows how feeding mice the drug GSM-15606 provided protection against air pollution-related increases in proteins linked to Alzheimer's disease. The results indicate that GSM-15606 may one day have a role as a preventive measure against Alzheimer's in people living with air pollution.
Researchers developed a new metric, R_AOD, to detect climate change using aerosols as tracers. They analyzed long-term satellite data and found significant temporal variations in aerosol transport, highlighting shifts in transboundary pollution pathways due to global warming.
Researchers found a significant spike in fine-particle air pollutant levels after the display, with some areas exceeding 1,000 micrograms per cubic meter, compared to NYC's average daily concentration of 15 micrograms.
A study by McGill University researchers has found a link between ultrafine particle exposure and increased mortality risk, particularly for respiratory deaths and coronary artery disease. Long-term exposure to these tiny particles is associated with a 7.3% increase in non-accidental death risk.
MIT researchers detected a clear signal of human influence on upper tropospheric ozone trends, separate from climate noise. The study provides insights into specific human activities driving this trend.
Researchers analyzed 549 reports from the Smell Vancouver app to discover that unpleasant smells like rotting and chemical odors dominate in Vancouver, linked to self-reported health issues. The study highlights the need for expanded urban air quality monitoring to address these issues.
A new model developed by Penn State researchers more accurately predicts the causal relationship between genetic and environmental factors in disease development. The study found that lifestyle and environmental factors play a larger role than previously believed, offering new opportunities to mitigate disease risk.
A new plan proposes three critical imperatives to tackle methane emissions: reduce, coordinate, and incentivize. The plan aims to bring down methane emissions, coordinate efforts with carbon dioxide reduction, and incentivize abatement to stop global heating quickly enough.
Research at the University of Gothenburg shows that daily activities are insufficient to prevent strokes. Exercise in free time and active transportation significantly reduce stroke risk. The study suggests promoting public health policies encouraging physical activity to improve outcomes.
Researchers found that nitrogen emissions from human activities cool the climate by minus 0.34 watts per square metre, but also cause harm to health, biodiversity, and the ozone layer. The study warns against increasing atmospheric nitrogen as a means of combating global warming.
A new study reveals that traffic-related ultrafine particles hinder mitochondrial functions in human olfactory mucosa cells, impairing oxidative phosphorylation and redox balance. Individuals with Alzheimer's disease showed altered responses to UFP exposure.
A new study finds that large warehouses across the US emit 20% more nitrogen dioxide pollution, disproportionately affecting communities of color who live near them. This exposure increases the risk of asthma and other life-threatening health conditions.
A new study from the University of Eastern Finland found that children's exposome scores, measuring environmental and lifestyle factors, are associated with altered serum levels of 31 metabolites. These metabolites were linked to cardiometabolic diseases such as obesity and type 2 diabetes in later life.
A recent study by TU Graz found that rail transport contributes significantly to particulate matter emissions, with levels reaching up to 25 micrograms per cubic meter along railway lines. This poses a concern for air quality and soil pollution, particularly in areas with increased braking activity.
A new study by Stanford Medicine researchers found that Black Americans are more likely to die from causes related to air pollution compared to other racial and ethnic groups. The study attributed this disparity to a combination of factors, including socioeconomic disadvantage, education level, and geographic location.
Pusan National University researchers introduced FLIT-SHAP, an explainable machine learning approach that breaks down pollutant effects in mixtures. The tool revealed significant synergistic and antagonistic interactions, challenging current approaches to regulating pollutants.
The HumanIC project focuses on designing hospitals with human-centered indoor climates to minimize the spread of airborne pathogens and improve thermal comfort. This can lead to a 9-20% reduction in costs associated with airborne diseases.
Jordan Brown, a postdoctoral research associate at UTA, received a Postdoctoral Research Fellowship from the NSF to analyze bird specimens from European museums and track changes in air pollution levels. His research aims to understand how industrialization affected wildlife and contribute to the study of climate change.
A new study reveals surprising findings about mercury pollution patterns in ecosystems, where it comes from and how it moves vary significantly. Dragonfly larvae are found to be a cost-effective indicator of mercury contamination in nearly every aquatic habitat, providing valuable insights for resource management decisions.
Research shows that oil and natural gas development in the Permian Basin contributes to high eight-hour ozone concentrations frequently exceeding EPA health standards during summer months. The study uses data from a 2019 field survey to confirm the impact of drilling, flaring, and other activities on ozone levels.
A large cohort study in Canada found an association between prenatal ambient PM2.5 exposure and increased cerebral palsy risk in offspring. Further research is needed to understand this association and potential biological pathways.
A study found that air pollution in India is extremely high, with daily mortality rates increasing rapidly at lower pollution levels and then leveling off. The study estimated that 7.2% of all deaths in ten major cities were linked to PM2.5 levels exceeding the WHO limit value.
The Texas A&M Center for Environmental Health will promote research in four areas of environmental health, including climate change and health, environment and metabolism, and environmental justice and policy. The center aims to facilitate collaboration between researchers and make funding more accessible for junior faculty.
Lehigh University researchers developed a novel spectroscopy technique called modulation excitation spectroscopy (MES) to study selective catalytic reduction (SCR) of nitrogen oxides. The results, published in Nature Communications, reveal the correct reaction pathway and have significant implications for optimizing catalytic converters.
Long-term exposure to air pollution is associated with a higher need for help with lost independence in later life. Traffic-related sources generate the largest and most consistent increases in risk, suggesting controlling air pollution may delay or divert care needs.
A new study reveals a direct connection between childhood air pollution exposure and adult bronchitis symptoms, suggesting that subtle effects on the respiratory system can persist into adulthood. The research, based on the USC Children's Health Study, found that even when adjusting for asthma or bronchitis symptoms in childhood, expos...
A recent study by researchers from ACS found that landfill gas can release per- and polyfluoroalkyl substances (PFAS) into the air, posing potential health risks. The study analyzed vented gases at three landfills in Florida and discovered unexpectedly high levels of airborne PFAS.
The Deepwater Horizon oil spill released nearly 5 million barrels of crude oil and hydrocarbon gases, affecting an area of 1,100 square miles, nearly nine times larger than earlier studies. Biodiversity loss among harpacticoid copepods declined dramatically due to the spill.
A new study reveals that micro- and nanoplastics may boost the risk of non-communicable diseases such as cancer, diabetes, and cardiovascular disease. The tiny particles are absorbed into the human body through food, air, and other sources, potentially leading to increased inflammation and severity of these conditions.
A new study reveals that the East Palestine train accident released inorganic pollutants into the atmosphere, which were found in precipitation across a large geographical area covering at least 16 states. The pollutants also reached southern Canada and North Carolina, posing significant risks to aquatic flora and fauna.
Researchers found that adding nitrogen to concrete could significantly reduce global levels of potentially harmful nitrogen oxides (NOx) created by the construction industry. This process could contribute to a reduction in NOx emissions by 3.4-6.9 megatonnes, representing 6-13% of industry-related emissions in 2021.
Researchers measured concerning levels of ethylene oxide in Louisiana's 'Cancer Alley' using mobile optical instruments. The study revealed that most locations had ethylene oxide levels above the EPA's acceptable upper limit, with some areas having potentially serious health risks for facility workers.
A cohort study found that severe dust exposure increased the risk of dementia in World Trade Center responders under 65. Using personalized protective equipment may prevent this age of onset, according to the research.
Nitrous-oxide emissions have increased by 40% over the past four decades, resulting in accelerating atmospheric accumulation of this potent greenhouse gas. Agricultural production is the largest source of emissions, and improving practices can help reduce nitrous-oxide emissions and water pollution.
A study published in the European Respiratory Journal found that children exposed to weed pollen in urban environments are at higher risk of developing respiratory health problems, including asthma. However, tree canopy can mitigate this effect to some degree.
A new study published in the Journal of the American College of Cardiology highlights how pollution is a greater health threat than war, terrorism, and other diseases. The researchers emphasize the need for better monitoring of pollutants to identify at-risk communities and understand individual-level risk factors.
The Luxembourg Institute of Science and Technology is developing affordable gas sensors for environmental monitoring and occupational safety. The €8 million AMUSENS project aims to create portable, cost-effective sensors using nanotechnology and artificial intelligence.
A new research paper finds higher particulate pollution in areas near the Salton Sea after water was diverted to San Diego. The study, led by University of California - Davis professor Eric Edwards, models lakebed exposure and tracks dust movement over time, showing increased pollution in disadvantaged communities.
A new UC Riverside study found that boreal forests in the northern hemisphere are particularly vulnerable to negative effects of cleaning up aerosol pollution. Reducing levels of human-made aerosols causes an increase in wildfires, especially in northern hemisphere forests.
Early-life air and noise pollution exposure were associated with increased risk of psychotic experiences, depression, and anxiety from adolescence to young adulthood. Interventions to reduce pollution exposure could potentially improve population mental health.
A study of over 9,000 participants found that small increases in fine particulate matter during pregnancy and childhood were associated with more psychotic experiences and depression symptoms later in life. Higher noise pollution exposure in childhood and teenage years was linked to increased anxiety symptoms.
Researchers at Lawrence Berkeley National Laboratory identified 28 trace metals in secondhand and thirdhand tobacco smoke, including cadmium, arsenic, and chromium. The study found that the predicted indoor air concentration for these metals exceeded California's cancer risk guidelines, highlighting the need to understand their contrib...
Replacing diesel school buses with electric ones can yield up to $247,600 in climate and health benefits per individual bus, according to a new study. The benefits include reduced greenhouse gas emissions and lower rates of adult mortality and childhood asthma.
A recent study reveals that reducing primary emissions has a significant impact on decreasing fine particles and ozone levels in China's North China Plain region. The research, published in Atmospheric and Oceanic Science Letters, found that controlling anthropogenic emissions can effectively mitigate secondary pollution during summer.
A new study from the University of Copenhagen found that long-term exposure to air pollution accelerates cognitive decline and increases risk of dementia. The research, which followed a cohort of nurses for 27 years, also suggests that physical activity may mitigate the adverse effects of air pollution.
A study by Duke and Columbia Universities found that non-white older adults with mild cognitive impairment reside in areas with more environmental injustices than their white peers. The study suggests that location, race, and environmental factors may interact to impact brain health.
A new model combines wildfire smoke forecasts and ground-based sensor data to help public health officials plan targeted interventions. The researchers found that urban and rural communities already burdened by pollution face higher air pollution levels during unexpected smoke events.