Articles tagged with Air Pollution
Researchers found that neighborhoods within 3 kilometers of an Amazon last-mile delivery station experience twice the amount of delivery van and truck traffic as farther-away areas. These neighborhoods are disproportionately home to low-income households and people of color, who order 14% fewer packages than average. The study highligh...
Researchers developed a new approach to improve particle-reinforced rubber's fatigue threshold by increasing polymer chain length and entanglement density. This multiscale stress deconcentration method increases the material's resistance to crack growth under repeated stretching, reducing pollution from shed rubber particles.
Miniaturized electrochemical sensors offer low-cost, time-efficient analysis and high specificity and sensitivity for toxic heavy metal detection. However, limitations in selectivity, detail, and interference by foreign species hinder on-site analysis.
Researchers investigating aerosol pollution's impact on climate change will use NOAA's SPEAR model to project how future climate hazards could be affected by different emission scenarios. The study seeks to characterize the uncertainty of aerosol emissions and their influence on climate change.
Researchers found that breathing unfiltered highway air significantly increases passengers' blood pressure during rush-hour traffic. The study's findings suggest a complex mechanism by which traffic-related air pollution interferes with blood pressure regulation.
A randomized trial found that unfiltered traffic-related air pollution caused a rapid and significant increase in blood pressure, which persisted for more than 24 hours. The study suggests that effective cabin air filtration may reduce the negative effects of air pollution on blood pressure.
A new study found that exposure to coal particulate air pollutants is associated with a mortality risk more than double that of exposure to PM2.5 from other sources. The researchers estimated that 460,000 deaths were attributable to coal PM2.5 in the US between 1999 and 2020.
Researchers at Hebrew University of Jerusalem discover that pollutants trigger significant changes in large-scale weather patterns, leading to enhanced radiative forcing. Aerosols stop rain in some areas, causing moisture to move to regions with big clouds, which release heat and strengthen winds.
A systematic review of air filtration systems found little evidence to support their effectiveness in reducing the risk of viral infections. The study analyzed 32 studies and found no strong evidence that air treatment technologies can protect people from catching airborne respiratory or gastrointestinal infections.
Research from Rutgers University found that air pollution during critical periods of prenatal and early infant development may negatively alter anogenital distance, a measure of hormone exposure. Higher levels of particulate matter (PM2.5) were associated with shorter anogenital length at birth and in males at age one.
A new study reveals that C4 crops are significantly less sensitive to ozone pollution than C3 crops, with potential implications for improving crop productivity and resilience. The research suggests that C4 bioenergy feedstocks can maintain performance in regions with high ozone levels.
A new study from Intermountain Health reveals that air pollution from wildfires and winter inversions poses different risks of heart attack and severe chest pain. Short-term increases in fine particulate matter were associated with increased risk of heart attack during the winter inversion season, but not summer wildfire season.
A new report highlights Africa's deteriorating air quality, with particulate matter concentration levels five to ten times the World Health Organisation's recommended level. The researchers call for collective efforts, regionally tailored solutions, and global collaboration to tackle this issue.
Scientists developed a synthetic melanin that accelerates wound healing and protects against sun damage. The cream also quiets the immune system, allowing for continuous repair and reducing inflammation.
Research from Harvard John A. Paulson School of Engineering and Applied Sciences estimates that humans have increased atmospheric mercury levels sevenfold, with a pre-anthropogenic baseline of around 580 megagrams. Human emissions from coal-fired power plants and waste-incineration are responsible for the majority of this increase.
A new study finds that heat-related cardiovascular deaths may more than double in the US by the middle of the century, with elderly and Black adults being most at risk. The projections suggest that reducing greenhouse gas emissions can mitigate this impact, but infrastructure interventions such as increasing tree cover may also be effe...
A recent study found that people living in areas with high levels of fine particulate matter have a 56% greater risk of developing Parkinson's disease. The Mississippi-Ohio River Valley and parts of Texas, Kansas, and eastern Michigan were identified as regions with higher rates of the disease.
Researchers at the University of Houston have discovered that microalgae can be used to sequester carbon dioxide and convert it into mass-produced proteins, lipids, and carbohydrates. This process has the potential to transform food production, treat wastewater, and produce sustainable biofuels.
Existing UK air pollution regulations will reduce thousands of premature adult deaths, but have limited impact on protecting sensitive ecosystems. The study found that even with the most effective technically feasible measures, air pollution would still harm UK's natural habitats and ecosystems.
A new study reveals that living near major roads is associated with a higher incidence of dementia and alterations in brain structure due to air pollution. The research, conducted in China and the UK, analyzed data from 460,901 participants over 12.8 years.
A new study by Emory and Harvard researchers found that high air pollution exposure during childhood is associated with earlier onset of menstruation in US girls. This increased risk is linked to cardiovascular disease, Type 2 diabetes, and certain cancers later in life.
A WVU team is providing free technical assistance to local industrial facilities to reduce their impact on environmental and community health. The project aims to support businesses in making changes that benefit their communities while maintaining profitability.
A new study found that residents of neighborhoods with more greenspace tend to have longer telomeres, indicating better cellular health. However, the positive impact of greenspace is not enough to compensate for other environmental challenges like air pollution and racial segregation.
A study of 340,000 pregnant women in southern California found a significant association between long-term exposure to antepartum and postpartum air pollution and increased risks of postpartum depression. The findings highlight the importance of identifying modifiable environmental risk factors to improve maternal mental health.
The study predicts a reduction in snowpack decline of less than half due to cleaner snow from reduced pollution, warming temperatures still dominate the effect. Cleaner snow can be expected in the future, reducing the impact on mountain ecosystems.
Research from Colorado State University shows wildfire smoke can attach to home surfaces like carpet and drapes, extending exposure and potentially causing health problems. Simple surface cleaning, such as vacuuming or mopping, can reduce exposure and limit risk.
A team from the University of Illinois used solar-induced chlorophyll fluorescence (SIF) to measure the effects of elevated ozone on soybean plants, finding a 36% decrease in SIF during the late growing season. The study confirms that decreased SIF is a sign of stress and provides a non-invasive way to study photosynthesis.
Research reveals correlation between financial sector risks and increased carbon footprint in bank loans, hindering humanity's progress towards a green economy. The study analyzed CFBL data for 37 countries from 2010 to 2018, finding that systemic risk within the banking sector raised the CFBL in developed countries.
Researchers at Princeton University demonstrated that ocean bursting bubbles can transport microplastics into the atmosphere, adding to evidence of plastic pollution's oceanic reach. The study projects an annual emission of around 100,000 metric tons of microplastics from the ocean.
A recent study used a dense measurement network to track the transport of crop residue burning pollutants from Punjab to Delhi NCR, revealing high levels of PM2.5. The measurements showed that the Indian national air quality standard for PM2.5 were frequently exceeded in the region.
A study using 29 low-cost instruments revealed PM2.5 values exceeded Indian national standards, associated with crop residue burning and secondary formation. The data will aid in addressing environmental impacts of air pollution.
A new study review found children from families with low incomes and families of color are exposed to more neurotoxic chemicals, leading to greater harm on brain development. This disparity is attributed to their neighborhoods being located near factories, chemical plants, highways, and agricultural fields where pesticides are applied.
A meta-analysis published in Neurology found that short-term exposure to air pollution is linked to an increased risk of stroke and death from stroke. The study involved 110 studies with over 18 million cases of stroke.
A study by University at Buffalo researchers found exposure to unclean cooking fuels and passive smoke during pregnancy and early childhood are associated with developmental delays in children. Infants and young children spend more time indoors and are particularly vulnerable to indoor pollutants.
Researchers found an average of 41 microplastic particles per square meter per day settled from the atmosphere, while sediment samples contained denser particles with higher population densities. The study suggests clothing is likely the prominent source of microplastics to the Ganges River system.
Researchers developed a 'lab-on-a-drone' system to detect and analyze pollutants like hydrogen sulfide gas. The device was used to track air quality at a wastewater treatment plant, providing real-time monitoring of smelly H2S gas concentrations.
A new study confirms that roadside hedges can dramatically reduce air pollution around schools by soaking up ultrafine particles emitted by traffic. Hedges have been found to act as protective barriers, capturing and filtering out harmful particles.
Research found alterations in proteins that can affect autophagy, a self-eating process of damaged cells. Healthy newborns showed individual responses to prenatal exposure to air pollution, with some more vulnerable than others. The study aims to understand the impact on breathing problems during infancy and childhood.
Researchers have developed a new method to calculate the health and climate impacts of reducing buildings' energy consumption. The tool estimates co-benefits under different energy use scenarios, providing insights into the economic value of reducing greenhouse gas emissions and premature deaths caused by air pollution.
A new study found that ozone substantially changes floral odour plumes, reducing honeybees' ability to recognise odours by up to 90%. This degradation affects pollinators' crucial role in the natural environment, with implications for food security and biodiversity.
Research found that women exposed to air pollution give birth to smaller babies, with PM2.5 and other pollutants associated with average reductions in birth weight. However, living in greener areas was linked to slightly higher birth weights, suggesting a potential mitigation effect.
Researchers from Tokyo University of Science have developed a catalyst support based on titanium dioxide powder to facilitate effective CO2 reduction. The study demonstrated increased hydrogen production and enhanced catalytic performance with silver nanoparticles loaded onto the TiO2 surface.
A new study from Aarhus University reveals that indoor air pollution from candle smoke and cooking fumes can cause irritation and inflammation in young individuals with mild asthma. The research found indications of DNA damage and signs of inflammation in the blood, highlighting the need for proper ventilation when cooking or burning c...
Researchers found that Canadian wildfire smoke exposure led to a slightly higher bump in asthma-related hospital visits compared to high-pollen days. However, other potential health effects, such as heart attacks and strokes, require further investigation.
A new framework by Concordia researchers shows that electrifying bus fleets can lead to significant reductions in greenhouse-gas emissions and maintenance costs. The study analyzed four Canadian cities and found a 18.7-34.6% reduction in cumulative GHG emissions from 2019 to 2030
A new study from the University of Massachusetts Amherst found that the wealthiest 10% of Americans are responsible for 40% of the nation's total greenhouse gas emissions. The study suggests that policymakers adopt taxes focused on shareholders and the carbon intensity of investment incomes to equitably meet climate goals.
A team of researchers has determined that microplastic particles are present in the marine atmosphere, even in remote parts of the world. The study found that different types of plastics, including polyester and polyethylene terephthalate, were detected in air samples collected from various sites along the Norwegian coast.
Scientists have designed catalyst-coated lampshades that transform indoor air pollutants into harmless compounds using waste heat from lamps. The technology targets volatile organic compounds (VOCs), which account for most indoor airborne pollutants, and has been shown to work with halogen and incandescent light bulbs.
A nationally representative study found that higher residential levels of fine particulate matter were associated with greater rates of incident dementia. The findings suggest that intervening on key emission sources could have value in reducing dementia risk, although further research is needed.
A Harvard T.H. Chan School of Public Health study found that chronic exposure to fine particulate air pollutants (PM2.5) and nitrogen dioxide (NO2) increases the risk of colorectal and prostate cancers in older adults. NO2 exposure was also associated with an increased risk of breast cancer, while PM2.5 exposure had mixed results.
A team of researchers from Harvard and Hong Kong Baptist University identified patterns to predict extreme heat and ozone days in China. The model correlated sea surface temperature anomalies with increases in heat waves and ozone about 80% of the time, providing a forecast for the government to prepare resources.
A large long-term study found exposure to high levels of air pollution is associated with increased community mental health services use among people with dementia. Reducing nitrogen dioxide and particulate matter could help free up resources in overstretched psychiatric services.
A study by Harvard T.H. Chan School of Public Health found that chronic exposure to fine particulate air pollutants (PM2.5) and nitrogen dioxide (NO2) may increase non-lung cancer risk in older adults, with significant associations with colorectal and prostate cancers.
A study led by ISGlobal found that moving to areas with higher levels of air pollution was associated with a small increase in body mass index in young children. The effect was stronger in preschool- and primary school children, and independent of socioeconomic status.
Researchers have developed an easy-to-manufacture e-nose that can rapidly and accurately 'sniff-out' volatile compounds, including those used in hazardous waste and disease diagnosis. The sensor uses machine learning to identify specific VOCs and determine their concentration.
Researchers have developed a new catalyst that can remove up to 90% of unburned methane from natural-gas engine exhaust at low temperatures, addressing a significant source of greenhouse gas emissions. The breakthrough could lead to lower exhaust emissions and mitigate global warming.
Researchers found that high levels of vitamin B-related amino acids, such as homocysteine and low methionine levels, increased the risk of dementia associated with particulate matter exposure. The study suggests a possible link among air pollution, amino acids, and dementia.
A new study finds that living in neighborhoods with higher air pollution, lower walkability, and density are associated with a greater incidence rate of hospitalization due to COVID-19. Neighborhoods with higher public transit quality and access also show a higher incidence rate of hospitalization.
A new study by Washington University researchers identifies primary organics as the main drivers of high PM2.5 concentrations over South Asia, attributing 1 million deaths to residential combustion and industry emissions in 2019.
Prof. Dr. Marta Litter takes over as Editor-In-Chief of Journal of Photocatalysis, bringing her extensive expertise and experience to lead the journal into a new era of excellence. Her research on heterogeneous photocatalysis and iron-based nanomaterials has led to over 250 scientific publications.