Air Pollution

Air Pollution News -- ScienceDaily Air pollution articles. Read scientific research on air pollution including pollution sources, health effects, and ways to reduce air pollution. Full text, images.

  • Orange, tea tree and eucalyptus oils sweeten diesel fumes
    on June 15, 2018 at 10:55 pm

    Waste oil from orange, tea tree and eucalyptus essential oil production mixed with diesel provides a sweet-smelling biofuel blend with comparable performance to diesel-only fuel. […]

  • Ammonia distribution in Earth's upper atmosphere
    on June 13, 2018 at 8:28 pm

    A new study helps clarify how ammonia is present in Earth's upper atmosphere. Using computer modeling, the researchers found ammonia molecules trapped in liquid cloud droplets are released during convection where these particles freeze and subsequently collide in the upper atmosphere. […]

  • MOF material offers selective, reversible and repeatable capture of toxic atmospheric gas
    on June 11, 2018 at 5:38 pm

    Scientists have developed a metal-organic framework material with a selective, fully reversible and repeatable capability to remove atmospheric nitrogen dioxide gas in ambient conditions. The discovery, confirmed by researchers using neutron scattering, could facilitate air filtration technologies that capture and convert targeted gases, including carbon dioxide and other greenhouse gases, for long-term sequestration to mitigate air pollution and global warming. […]

  • How to suck carbon dioxide from the sky for fuels and more
    on June 7, 2018 at 3:27 pm

    Someday, the gasoline you buy might come from carbon dioxide pulled out of the sky rather than from oil pumped out of the ground. By removing emitted carbon dioxide from the atmosphere and turning it into fresh fuels, engineers have demonstrated a scalable and cost-effective way to make deep cuts in the carbon footprint of transportation with minimal disruption to existing vehicles. […]

  • Pollution hits the fungi that nourish European trees
    on June 6, 2018 at 5:27 pm

    Pollution is changing the fungi that provide mineral nutrients to tree roots, which could explain malnutrition trends in Europe's trees. […]

  • Salt Lake's light rail trains are air quality sleuths
    on June 6, 2018 at 4:04 pm

    The TRAX project is the only known transit-based mobile air quality network in North America. Some results are unsurprising, such as spikes of carbon dioxide and nitrogen dioxide, byproducts of gasoline combustion, at street intersections. But the sensors also found methane emissions patterns that didn't correlate to daytime working hours, suggesting possible fugitive methane leaks. […]

  • Surprising resurgence of red spruce likely result of cleaner air and warmer winters
    on June 5, 2018 at 4:08 pm

    When scientists found a resurgence of red spruce in northeastern forests, they had a lot of questions. Fifty years ago, red spruce was the equivalent of a canary in the coalmine signaling the effects of acid rain on forests. Researchers have identified two factors behind the tree's surprising recovery: reduced inputs of acid rain and warmer fall, winter and spring temperatures. […]

  • A new material capable of the adsorption of organic pollutants in water
    on June 5, 2018 at 2:35 pm

    The results show that the material C18-Mica-4 is capable of eliminating the majority of pollutants that were evaluated in urban waste water, as well as surface water and potable water. The study, also, provides data on the adsorption mechanism and establishes a significant correlation between the physical chemical properties of the selected criteria and emerging pollutants and the adsorption to the material. […]

  • The health effect of air pollution from traffic
    on June 4, 2018 at 3:25 pm

    What would happen if all petrol and diesel-powered vehicles were removed from a smaller European city? Up to 4% of all premature deaths could be prevented, according to a new study. The researchers used Malmö, Sweden, as a case study to calculate the health costs of inner city traffic. […]

  • Bacteria and viruses ejected from the ocean
    on May 25, 2018 at 1:54 pm

    Certain types of bacteria and viruses are readily ejected into the atmosphere when waves break; others less so, researchers reported. A team of chemists, oceanographers, microbiologists, geneticists, and pediatric medicine specialists are attempting to understand how far potentially infectious bacteria and viruses can travel and if those that pose the greatest risks to public health are among those most likely to escape the ocean. […]

  • Mediterranean diet may blunt air pollution's ill health effects
    on May 21, 2018 at 5:18 pm

    Eating a Mediterranean diet may protect people from some of the harm of long-term exposure to air pollution, and reduce their risk of dying from heart attacks, stroke and other causes of death, according to new research. […]

  • Dogs born in the summertime more likely to suffer heart disease
    on May 20, 2018 at 1:09 pm

    Dogs born June through August are at higher risk of heart disease than those born other months, rising in July to 74 percent higher risk, according to a new study. A correlation to outdoor air pollution may be the culprit. […]

  • In-womb air pollution exposure associated with higher blood pressure in childhood
    on May 14, 2018 at 12:39 pm

    Children who were exposed to higher levels air pollution while in the womb had a higher risk of elevated blood pressure in childhood. This is one of the first studies to show that air pollution may have negative health effects on offspring exposed during pregnancy. […]

  • Prolonged exposure to air pollution leads to genetic changes in rat brains, study finds
    on May 8, 2018 at 1:50 pm

    Prolonged exposure to particulate matter in air pollution in the Los Angeles Basin triggered inflammation and the appearance of cancer-related genes in the brains of rats, a new study has found. […]

  • Bloomberg era's emphasis on 'health in all policies' improved New Yorkers' heart health
    on May 2, 2018 at 11:58 am

    From 2002 to 2013, New York City implemented a series of policies prioritizing the public's health in areas beyond traditional healthcare policies and illustrated the potential to reduce cardiovascular disease risk. This strategy is known as employing a 'health in all policies' approach. Researchers catalogued health-relevant legislation in New York City from 1998 to 2017 and found that 7.4 percent of the 3,745 pieces of legislation introduced during the Bloomberg Administration had the potential to impact New Yorkers' cardiovascular health. […]

  • Traffic-related pollution linked to risk of asthma in children
    on May 1, 2018 at 11:35 pm

    New research suggests that long-term exposure to traffic-related pollution significantly increases the risk of pediatric asthma, especially in early childhood. Children living within a football field's length of major roadways had nearly three times the odds of pediatric asthma compared to children who lived four times farther away. […]

  • Environmental impact of electric vehicles in China? It depends on how they are charged
    on May 1, 2018 at 8:18 pm

    Electric vehicles play a key role in China's plan to improve air quality and reduce CO2 emissions but, with the majority of China's electricity still coming from coal-fired power plants, many question just how effective this strategy will be. Now, researchers have found that how electric vehicles are charged -- whether in the low-energy slow mode or high-energy fast mode -- plays a significant role in the reduction of CO2 and the integration of wind energy. […]

  • Climate change study finds New Hampshire's warmer weather will bring warmer streams
    on May 1, 2018 at 5:08 pm

    Air temperature increases from climate change will make New Hampshire's streams warmer. A new study examined the extent to which stream waters are warming, which has implications for freshwater ecosystems across the nation given that many species depend on cold water to survive. […]

  • US gains in air quality are slowing down
    on April 30, 2018 at 8:04 pm

    A detailed analysis of satellite observations shows that US progress in reducing levels of two key air pollutants has slowed significantly in recent years. The new study indicates that it may be more difficult than previously realized for the nation to achieve its goal of decreased ozone pollution. […]

  • Personal care products contribute to a pollution 'rush hour'
    on April 30, 2018 at 5:18 pm

    When people are out and about, they leave plumes of chemicals behind them -- from both car tailpipes and the products they put on their skin and hair. In fact, emissions of siloxane, a common ingredient in shampoos, lotions, and deodorants, are comparable in magnitude to the emissions of major components of vehicle exhaust, such as benzene, from rush-hour traffic. […]

  • Beltway to divert diesel trucks in Sao Paulo improved public health
    on April 27, 2018 at 12:52 pm

    A new study revealed that a beltway constructed to divert heavy-duty diesel vehicles traffic in the Brazilian city of Sao Paulo has reduced public health damage associated with exposure to diesel. The positive health outcomes of the intervention could guide the formulation of similar transport polices in other cities, where humans and diesel vehicles reside and transit in close proximity. […]

  • The role of health in climate lawsuits
    on April 26, 2018 at 10:00 pm

    Researchers are at the forefront of analyzing how climate lawsuits shape the nation's response to climate change. A new analysis investigates the role of health concerns in climate litigation since 1990 and finds that although health is cited in a minority of cases, it may have critical potential for protecting communities from the effects of climate change and coal fired power plants. […]

  • Evidence mounts for Alzheimer's, suicide risks among youth in polluted cities
    on April 13, 2018 at 7:52 pm

    Researchers have published a new study that reveals increased risks for Alzheimer's and suicide among children and young adults living in polluted megacities. […]

  • Brief exposure to tiny air pollution particles triggers childhood lung infections
    on April 13, 2018 at 1:35 pm

    Even the briefest increase in airborne fine particulate matter PM2.5, pollution-causing particles that are about 3 percent of the diameter of human hair, is associated with the development of acute lower respiratory infection (ALRI) in young children, according to newly published research. […]

  • The changing chemistry of the Amazonian atmosphere
    on April 11, 2018 at 9:41 pm

    Researchers have been debating whether nitrogen oxides (NOx) can affect levels of OH radicals in a pristine atmosphere but quantifying that relationship has been difficult. Now, researchers have found that accompanying the increase of NOx concentration from urban pollution, daytime peak OH concentrations in the rainforest skyrocketed, increasing by at least 250 percent. These increased levels of OH concentrations in the Amazon atmosphere could lead to changes in atmospheric chemistry, cloud formation, and rainfall. […]

  • Swamp microbe has pollution-munching power
    on April 11, 2018 at 8:13 pm

    Sewage treatment may be an unglamorous job, but bacteria are happy to do it. Sewage plants rely on bacteria to remove environmental toxins from waste so that the processed water can be safely discharged into oceans and rivers. Now, a bacterium discovered in a New Jersey swamp may offer a more efficient method for treating toxins found in sewage, fertilizer runoff and other forms of water pollution. […]

  • Wildfire smoke associated with more ER visits for heart, stroke ailments among seniors
    on April 11, 2018 at 1:04 pm

    Exposure to smoke from wildfires was associated with increased rates of emergency room visits for heart- and stroke-related illness, especially among adults age 65 and older. […]

  • Those living near oil and gas facilities may be at higher risk of disease
    on April 9, 2018 at 2:39 pm

    People living near oil and gas facilities along Colorado's Northern Front Range may be exposed to hazardous air pollutants, including carcinogens like benzene, that could pose health risks above levels deemed acceptable by the US Environmental Protection Agency, according to researchers. […]

  • New source of global nitrogen discovered
    on April 5, 2018 at 6:09 pm

    Not all of the nitrogen on the planet comes from the atmosphere, according to a new study. Up to a quarter comes from Earth's bedrock. The discovery could greatly improve climate change projections.&nbs […]

  • Agricultural fires can double Delhi pollution during peak burning season
    on April 2, 2018 at 4:32 pm

    Researchers have demonstrated that in October and November, a peak burning season in nearby Punjab, about half of all pollution in Delhi can be attributed to agricultural fires on some days. […]

Great article from John!

What Are The Causes Of Air Pollution and What Can We Do To Prevent It?