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.

  • Exposure to larger air particles linked to increased risk of asthma in children
    on December 15, 2017 at 3:53 pm

    Researchers report statistical evidence that children exposed to airborne coarse particulate matter — a mix of dust, sand and non-exhaust tailpipe emissions, such as tire rubber — are more likely to develop asthma and need emergency room or hospital treatment for it than unexposed children. […]

  • Clearing the air
    on December 14, 2017 at 7:07 pm

    A greater understanding of the dynamics of chemical reactions is leading to better models of atmospheric chemistry. Through this work, scientists are gaining insight into a key chemical able to break down some major air pollutants. […]

  • Increased air pollution linked to bad teenage behavior
    on December 13, 2017 at 7:37 pm

    A new study linking higher levels of air pollution to increased teenage delinquency is a reminder of the importance of clean air and the need for more foliage in urban spaces. The study suggests ambient air pollution may increase delinquent behavior among 9- to 18-year-olds in urban neighborhoods in Greater Los Angeles. The insidious effects are compounded by poor parent-child relationships and parental mental and social distress, researchers report. […]

  • Exposure to air pollution just before or after conception raises risk of birth defects
    on December 11, 2017 at 2:07 pm

    Women exposed to air pollution just prior to conception or during the first month of pregnancy face an increased risk of their children being born with birth defects, such as cleft lip or palate or abnormal hearts. […]

  • The molecular structure of a forest aroma deconstructed
    on December 7, 2017 at 4:49 pm

    The fresh, unmistakable scent of a pine forest comes from a medley of chemicals produced by its trees. Researchers have now accurately determined the chemical structure of one compound in its gas phase, a molecule called alpha-pinene. The analysis can help scientists better detect and understand how alpha-pinene reacts with other gases in the atmosphere, a process that can affect health and climate. […]

  • Tackling China's severe air pollution problem
    on December 7, 2017 at 3:24 pm

    More must be done to tackle air pollution in China, according to a leading climate change expert in a new study. […]

  • Exposure to wildfire smoke in utero lowers birthweight
    on December 6, 2017 at 2:22 pm

    Economics researchers capitalize on the dynamics of wildfires to prove infants’ proximity to smoke pollution while in utero affects birthweight. […]

  • City air pollution cancels positive health effects of exercise in over 60's
    on December 6, 2017 at 2:19 pm

    Exposure to air pollution on city streets is enough to counter the beneficial health effects of exercise in older adults, according to new research. […]

  • Discovery about rare nitrogen molecules offers clues to makeup of life-supporting planets
    on December 6, 2017 at 2:07 pm

    A new study on atmospheric nitrogen provides a clue about what geochemical signatures of other planets might look like, especially if they are capable of supporting life as we know it. […]

  • Diesel vehicles in oil sands operations contribute to regional pollution
    on December 6, 2017 at 2:06 pm

    Wildfires, cigarette smoking and vehicles all emit a potentially harmful compound called isocyanic acid. The substance has been linked to several health conditions, including heart disease and cataracts. Scientists investigating sources of the compound have now identified off-road diesel vehicles in oil sands production in Alberta, Canada, as a major contributor to regional levels of the pollutant. […]

  • Traffic pollution putting unborn babies' health at risk, warn experts
    on December 6, 2017 at 1:30 am

    Air pollution from road traffic is having a detrimental impact upon babies' health in London, before they are born, finds a study. […]

  • Warmed up and raring to go: What happens when a car starts in the cold?
    on December 5, 2017 at 2:19 pm

    During cold-start, a car engine emits far more particulate matter and other pollutants than during warm conditions. This is because a cold catalytic converter is much less efficient at low exhaust gas temperatures. So what’s the answer? Preheat the car with microwaves. Scientists have developed the first microwave converter heating for passenger car applications. […]

  • Understanding the climate impact of natural atmospheric particles
    on December 4, 2017 at 4:29 pm

    Scientists have quantified the relationship between natural sources of particles in the atmosphere and climate change. Their research shows that the cooling effect of natural atmospheric particles is greater during warmer years and could therefore slightly reduce the amount that temperatures rise as a result of climate change. […]

  • New UK map of air pollution provides insights into nitrogen dioxide levels across the country and...
    on November 30, 2017 at 2:39 pm

    Researchers have created the first ever high resolution map of air pollution in the UK. The map shows how air pollution, specifically nitrogen dioxide, changes across the country and within towns and cities, highlighting likely sources and potential clean-air refuge areas. […]

  • Traces of life on nearest exoplanets may be hidden in equatorial trap
    on November 29, 2017 at 3:42 pm

    New simulations show that the search for life on other planets may well be more difficult than previously assumed. The study indicates that unusual air flow patterns could hide atmospheric components from telescopic observations, with direct consequences for formulating the optimal strategy for searching for (oxygen-producing) life such as bacteria or plants on exoplanets. […]

  • Earth-air heat exchanger best way to protect farm animals in livestock buildings against the...
    on November 24, 2017 at 1:48 pm

    Without countermeasures, climate change will negatively impact animals in pig and poultry production. Beside the health and wellbeing of the animals, heat stress also affects performance and, as a result, profitability. As the animals are predominantly kept in confined livestock buildings equipped with mechanical ventilation systems, researchers examined the inlet air temperature of several air cooling systems. The best solution, they found, is the use of the earth for heat storage via an earth-air heat exchanger (EAHE). An EAHE cools in the summer, and warms up the inlet air during wintertime. […]

  • Health threat from mercury in freshwater fish could be blowing away in the wind
    on November 22, 2017 at 4:00 pm

    Mercury is one of the top 10 chemical concerns for public health according to the World Health Organization (WHO). In more than half of Swedish lakes the mercury levels are so high that eating the fish is a threat to the health of people and wildlife. To make matters worse, the problem seems to have no solution in sight. But new research gives hope: the mercury problem could very well be blowing away in the wind. […]

  • 'Explosive' hot oil droplets could hurt your skin -- and air quality
    on November 19, 2017 at 4:18 pm

    Cooking in a frying pan with oil can quickly become dangerous if “explosive” hot oil droplets jump out of the pan, leading to painful burns. But these droplets may be doing something even more damaging: contributing to indoor air pollution. […]

  • Heavy nitrogen molecules reveal planetary-scale tug-of-war
    on November 17, 2017 at 7:17 pm

    Researchers have discovered a planetary-scale tug-of-war between life, deep Earth and the upper atmosphere that is expressed in atmospheric nitrogen. […]

  • Asthma attacks reduced in tree-lined urban neighborhoods
    on November 17, 2017 at 3:38 pm

    People living in polluted urban areas are far less likely to be admitted to hospital with asthma when there are lots of trees in their neighborhood, a new study has found. […]

  • Air quality atlas for Europe: Mapping the sources of fine particulate matter
    on November 16, 2017 at 2:25 pm

    The European Commission published today an Air Quality Atlas for Europe. This new publication produced by the Commission's Joint Research Centre (JRC) helps to pave the way for targeted air quality measures by mapping the origins of fine particulate matter in Europe's largest cities. […]

  • People with certain blood types are at increased risk of heart attack during periods of pollution
    on November 14, 2017 at 8:55 pm

    Individuals who have A, B, or AB blood types have an elevated risk of having a heart attack during periods of significant air pollution, compared to those with the O blood type, according to new research. […]

  • Air quality and health in U.S. will improve from other nations' actions to slow climate change
    on November 14, 2017 at 12:50 am

    The United States will benefit from improved air quality in the future, through actions to reduce greenhouse gas emissions both domestically and globally, according to new research. It comes following the decision by President Donald Trump to withdraw the U.S. from the 2015 Paris Accord on climate change. […]

  • Exposure to benzene during pregnancy: a pilot study raises concerns in British Columbia
    on November 13, 2017 at 2:54 pm

    New research reveals that 29 pregnant women living near natural-gas hydraulic fracturing sites had a median concentration of a benzene biomarker in their urine that was 3.5 times higher than that found in women from the general Canadian population. […]

  • Bad break: Osteoporosis-related bone fractures linked to air pollution
    on November 10, 2017 at 3:40 am

    Exposure to air pollution is associated with osteoporosis-related loss of bone mineral density and risk of bone fractures, according to a new study. […]

  • China's sulfur dioxide emissions fell significantly while India's grew over last decade
    on November 9, 2017 at 2:32 pm

    Sulfur dioxide is an air pollutant that causes acid rain, haze and many health-related problems. It is produced predominantly when coal is burned to generate electricity. Although China and India remain the world's largest consumers of coal, a new study found that China's sulfur dioxide emissions fell by 75 percent since 2007, while India's emissions increased by 50 percent. […]

  • Relocating bus stops would cut riders' pollution exposure, study finds
    on November 7, 2017 at 4:32 pm

    Moving bus stops away from intersections would substantially reduce the amount of pollution bus riders breathe, report scientists. […]

  • NASA satellite tracks ozone pollution by monitoring its key ingredients
    on November 6, 2017 at 5:13 pm

    Ozone pollution near Earth's surface is one of the main ingredients of summertime smog. It is also not directly measurable from space due to the abundance of ozone higher in the atmosphere, which obscures measurements of surface ozone. New research has devised a way to use satellite measurements of the precursor gases that contribute to ozone formation to differentiate among three different sets of conditions that lead to its production. […]

  • Higher air pollution in Chinese cities tied to higher mortality rate
    on November 6, 2017 at 3:06 pm

    New research examined the burden of air pollution and its association with mortality in Chinese cities. […]

  • Optical diagnostic to help improve fuel economy while reducing emissions
    on November 3, 2017 at 5:46 pm

    A new optical device that helps researchers image pollutants in combusting fuel sprays might lead to clearer skies in the future. An optical setup can now quantify the formation of soot -- particulate matter consisting primarily of carbon -- as a function of time and space for a variety of combustion processes. […]