http://www.sciencedaily.com/news/earth_climate/air_pollution/ Air pollution articles. Read scientific research on air pollution including pollution sources, health effects, and ways to reduce air pollution. Full text, images. en-us Wed, 25 Nov 2009 12:05:01 EST Wed, 25 Nov 2009 12:05:01 EST 60 http://www.sciencedaily.com/images/logosmall.gif http://www.sciencedaily.com/news/earth_climate/air_pollution/ For more science articles, visit ScienceDaily. http://www.sciencedaily.com/releases/2009/11/091123125157.htm Exposure shortly after birth to ambient metals from residential heating oil combustion and particles from diesel emissions are associated with respiratory symptoms in young inner city children, according to a new study. The study is the first to analyze the effects of exposure to airborne metals in this very young population and the findings could have important public health implications. Wed, 25 Nov 2009 17:00:00 EST http://www.sciencedaily.com/releases/2009/11/091123125157.htm http://www.sciencedaily.com/releases/2009/11/091115134132.htm Rising water temperatures are kicking up more powerful winds on Lake Superior, with consequences for currents, biological cycles, pollution and more on the world's largest lake and its smaller brethren. Wed, 25 Nov 2009 02:00:00 EST http://www.sciencedaily.com/releases/2009/11/091115134132.htm http://www.sciencedaily.com/releases/2009/11/091125081622.htm Six new international studies show that cutting greenhouse gases, in particular ozone and black carbon, can quickly save millions of lives worldwide in addition to slowing climate change. Wed, 25 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091125081622.htm http://www.sciencedaily.com/releases/2009/11/091124082753.htm New research presents strong evidence that the "synergistic" effect of early-life exposure to both outdoor traffic-related pollution and indoor endotoxin causes more harm to developing lungs than one or the other exposure alone. Tue, 24 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091124082753.htm http://www.sciencedaily.com/releases/2009/11/091118112423.htm Scientists are reporting evidence that air pollution -- a well-recognized problem at major airports -- may pose an important but largely overlooked health concern for people living near smaller regional airports. Those airports are becoming an increasingly important component of global air transport systems. The study, one of only a handful to examine airborne pollutants near regional airports, suggests that officials should pay closer attention to these overlooked emissions, which could cause health problems for local residents. Sat, 21 Nov 2009 17:00:00 EST http://www.sciencedaily.com/releases/2009/11/091118112423.htm http://www.sciencedaily.com/releases/2009/10/091029152301.htm A self-amplifying effect presently sustains monsoon winds, but it could also disrupt the circulation over land and sea. The periodical rainfall could stop from one season to another or for months within seasons. High air pollution could lead to the disruption. Global warming increases the risk of abrupt monsoon transitions from high-precipitation to dry periods. Wed, 18 Nov 2009 02:00:00 EST http://www.sciencedaily.com/releases/2009/10/091029152301.htm http://www.sciencedaily.com/releases/2009/11/091116143619.htm It's the year 2060, and 75 percent of drivers in the Greater Los Angeles area have hydrogen fuel cell vehicles that emit only water vapor. Look into Shane Stephens-Romero's crystal ball -- a computer model called STREET -- and find that air quality has significantly improved. Greenhouse gas emissions are more than 60 percent lower than in 2009, and levels of microscopic soot and ozone are about 15 percent and 10 percent lower, respectively. Tue, 17 Nov 2009 14:00:00 EST http://www.sciencedaily.com/releases/2009/11/091116143619.htm http://www.sciencedaily.com/releases/2009/11/091116085057.htm Small amounts of oil leave a fluorescent sheen on polluted water. Oil sheen is hard to remove, even when the water is aerated with ozone or filtered through sand. Now, an engineer has developed an inexpensive new method to remove oil sheen by repeatedly pressurizing and depressurizing ozone gas, creating microscopic bubbles that attack the oil so it can be removed by sand filters. Mon, 16 Nov 2009 14:00:00 EST http://www.sciencedaily.com/releases/2009/11/091116085057.htm http://www.sciencedaily.com/releases/2009/11/091116103703.htm A new way to access and reuse environmental data from diverse sources has been devised by European researchers. They foresee a future where environmental data and services are offered on the open market. Mon, 16 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091116103703.htm http://www.sciencedaily.com/releases/2009/11/091105143815.htm The impact of airborne nitrogen released from the burning of fossil fuels and wide-spread use of fertilizers in agriculture is much greater that previously recognized and even extends to remote alpine lakes. Fri, 13 Nov 2009 08:00:00 EST http://www.sciencedaily.com/releases/2009/11/091105143815.htm http://www.sciencedaily.com/releases/2009/11/091106145308.htm As the climate gets warmer, arid soils lose nitrogen as gas, reports a new study. That could lead to deserts with even less plant life than they sustain today, say the researchers. Mon, 09 Nov 2009 02:00:00 EST http://www.sciencedaily.com/releases/2009/11/091106145308.htm http://www.sciencedaily.com/releases/2009/11/091106084243.htm Infants who are exposed to higher levels of air pollution are at increased risk for bronchiolitis, according to a new study. Sat, 07 Nov 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/11/091106084243.htm http://www.sciencedaily.com/releases/2009/10/091030100022.htm More than 1.2 billion lightning flashes occur around the world every year. Each of those billion lightning flashes produces a puff of nitrogen oxide gas (NOx) that reacts with sunlight and other gases in the atmosphere to produce ozone. Using data gleaned from aircraft observations and satellites, NASA scientists recently took steps toward a better global estimate of lightning-produced NOx and found that lightning may have a considerably stronger impact on the climate in the mid-latitudes and subtropics. Fri, 06 Nov 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/10/091030100022.htm http://www.sciencedaily.com/releases/2009/11/091104161834.htm Heavy traffic corridors in the cities of Long Beach and Riverside are responsible for a significant proportion of preventable childhood asthma, and the true impact of air pollution and ship emissions on the disease has likely been underestimated, according to researchers. Thu, 05 Nov 2009 20:00:00 EST http://www.sciencedaily.com/releases/2009/11/091104161834.htm http://www.sciencedaily.com/releases/2009/11/091104140816.htm Air quality in homes and offices is becoming a major health concern. Volatile organic compounds (VOCs) found in indoor air emanate from adhesives, furnishings, clothing, and solvents and have been shown to cause illnesses in people. Researchers tested ornamental indoor plants for their ability to remove harmful VOCs from indoor air. The study concluded that simply introducing common ornamental plants into indoor spaces has the potential to significantly improve the quality of indoor air. Thu, 05 Nov 2009 05:00:00 EST http://www.sciencedaily.com/releases/2009/11/091104140816.htm http://www.sciencedaily.com/releases/2009/11/091102171728.htm A new study compares neighborhoods' walkability (degree of ease for walking) with local levels of air pollution and finds that some neighborhoods might be good for walking, but have poor air quality. Mon, 02 Nov 2009 20:00:00 EST http://www.sciencedaily.com/releases/2009/11/091102171728.htm http://www.sciencedaily.com/releases/2009/10/091030100020.htm For decades, climate scientists have worked to identify and measure key substances -- notably greenhouse gases and aerosol particles -- that affect Earth's climate. And they've been aided by ever more sophisticated computer models that make estimating the relative impact of each type of pollutant more reliable. Yet the complexity of nature -- and the models used to quantify it -- continues to serve up surprises. The most recent? Certain gases that cause warming are so closely linked with the production of aerosols that the emissions of one type of pollutant can indirectly affect the quantity of the other. And for two key gases that cause warming, these so-called "gas-aerosol interactions" can amplify their impact. Sat, 31 Oct 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091030100020.htm http://www.sciencedaily.com/releases/2009/10/091028114023.htm Where does dust come from? Scientists are reporting a surprising answer to that question, which has puzzled and perplexed generations of men and women confronted with layers of dust on furniture and floors. Most of indoor dust comes from outdoors. Thu, 29 Oct 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091028114023.htm http://www.sciencedaily.com/releases/2009/10/091028134628.htm The US Environmental Protection Agency has announced a study that will investigate ways to reduce pollution that can run off paved surfaces and improve how water filters back into the ground. EPA is testing a variety of different permeable pavement materials and rain gardens in the parking lot at the agency's Edison, N.J. facility. Wed, 28 Oct 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091028134628.htm http://www.sciencedaily.com/releases/2009/10/091019122835.htm A new report examines and, when possible, estimates "hidden" costs of energy production and use -- such as the damage air pollution imposes on human health -- that are not reflected in market prices of coal, oil, other energy sources, or the electricity and gasoline produced from them. Tue, 27 Oct 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091019122835.htm http://www.sciencedaily.com/releases/2009/10/091022141128.htm While carbon dioxide is the main greenhouse gas and the focus of climate treaties, other pollutants that stay in the atmosphere for only days or months also contribute to global warming. Researchers argue that policymakers should plan a summit now to look at these pollutants, which range from soot to ozone and methane, because they will be more complicated to regulate than is the case with carbon dioxide. Mon, 26 Oct 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091022141128.htm http://www.sciencedaily.com/releases/2009/10/091022153635.htm An Israeli researcher's "hyperspectral remote sensor" combines sophisticated sensors in orbit with sensors on the ground and in the air to give advance warnings about contamination, pollution and weather disasters. Sat, 24 Oct 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091022153635.htm http://www.sciencedaily.com/releases/2009/10/091019122651.htm A new computerized approach to airport operations is being developed that will reduce delays, speed up baggage handling and decrease pollution. Mon, 19 Oct 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091019122651.htm http://www.sciencedaily.com/releases/2009/10/091015123604.htm Tree leaves may be powerful tools for monitoring air quality and planning biking routes and walking paths, suggests a new study. Leaves along bus routes were up to 10 times more magnetic than leaves on quieter streets, the study found. Fri, 16 Oct 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091015123604.htm http://www.sciencedaily.com/releases/2009/10/091014122054.htm Scientists are reporting the first evidence that China's sharp focus on reducing widespread damage to soil by acid rain by restricting sulfur dioxide air pollution may have an unexpected consequence: Gains from that pollution control program will be largely offset by increases in nitrogen emissions, which the country's current policy largely overlooks. Thu, 15 Oct 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091014122054.htm http://www.sciencedaily.com/releases/2009/10/091007171741.htm A new mobile air research laboratory will help a team of researchers better understand the damaging health effects of air pollution and why certain airborne particles -- emitted from industrial plants and vehicles -- induce disease and illness. Tue, 13 Oct 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091007171741.htm http://www.sciencedaily.com/releases/2009/10/091007124356.htm Strides in improving the nation's air quality over the past 10 years may be a factor in fewer cases of ear infections in children, according to new research. Mon, 12 Oct 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091007124356.htm http://www.sciencedaily.com/releases/2009/10/091006112846.htm "Blue haze," a common occurrence that appears over heavily forested areas around the world, is formed by natural emissions of chemicals, but human activities can worsen it to the point of affecting the world's weather and even cause potential climate problems, according to a new study. Mon, 12 Oct 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091006112846.htm http://www.sciencedaily.com/releases/2009/10/091005102643.htm Pedestrians could reduce the amount of traffic pollution they breathe in simply by crossing the street, according to the latest research. Tue, 06 Oct 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091005102643.htm http://www.sciencedaily.com/releases/2009/10/091005123038.htm A new study suggests that air pollution may trigger appendicitis in adults. Tue, 06 Oct 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091005123038.htm http://www.sciencedaily.com/releases/2009/10/091005102645.htm Acidic clouds are feeding bioavailable iron to the oceans -- a discovery which sheds light on the natural processes that remove carbon dioxide from the atmosphere. Tue, 06 Oct 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091005102645.htm http://www.sciencedaily.com/releases/2009/10/091005094919.htm Limit values for fine dust emissions are based on total particle weight. It is the ultra-fine particles, however, that are particularly harmful to health. A new technique separates them by size and identifies their composition -- directly where they arise. Tue, 06 Oct 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091005094919.htm http://www.sciencedaily.com/releases/2009/09/090929132509.htm Plumes of harmful air pollutants can be transported across oceans and continents -- from Asia to the United States and from the United States to Europe -- and have a negative impact on air quality far from their original sources, says a new report by the National Research Council. Wed, 30 Sep 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090929132509.htm http://www.sciencedaily.com/releases/2009/09/090918100006.htm Australian researchers have discovered that micro-organisms that help break down contaminants under the soil can actually get too hot for their own good. Thu, 24 Sep 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090918100006.htm http://www.sciencedaily.com/releases/2009/09/090922162303.htm Worried that dust from a nearby construction zone will harm your family's health? A new sensor from researchers in Israel, called 'Dust Alert', can help families and authorities monitor the quality of the air they breathe and precisely determine the chemical composition of toxins. Wed, 23 Sep 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090922162303.htm http://www.sciencedaily.com/releases/2009/09/090921091751.htm Total greenhouse gas (GHG) emission reductions currently proposed by industrialized countries fall short of the pathway to reaching a 2 degree target as referred to by the UNFCCC Kyoto Protocol negotiating group, despite the fact that the cost of meeting these pledges is much lower than anticipated, according to a study released today. Tue, 22 Sep 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090921091751.htm http://www.sciencedaily.com/releases/2009/09/090918153111.htm Researchers have demonstrated a method for identifying nitric oxide gas using lasers and sensors that are inexpensive, compact and highly sensitive. Such a portable device could be of great value to atmospheric science, pollution control, biology and medicine. Mon, 21 Sep 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090918153111.htm http://www.sciencedaily.com/releases/2009/09/090915113534.htm Physicists have discovered that changes in the Earth's ozone layer due to climate change will reduce the amount of ultraviolet radiation in northern high latitude regions such as Siberia, Scandinavia and northern Canada. Other regions of the Earth, such as the tropics and Antarctica, will instead face increasing levels of UV radiation. Wed, 16 Sep 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090915113534.htm http://www.sciencedaily.com/releases/2009/09/090908203750.htm A consortium brought together by low carbon experts is launching the first bus in the UK to run on clean, biomethane gas. Thu, 10 Sep 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090908203750.htm http://www.sciencedaily.com/releases/2009/09/090908133814.htm Beginning August 26, 2009, and continuing into September 2009, a large wildfire in the Angeles National Forest north of Los Angeles known as the Station Fire burned more than 140,000 acres through September 3. Carbon monoxide in the smoke from this large fire was lofted as high as 8.3 kilometers (27,000 feet) into the atmosphere, where it was observed by JPL's Atmospheric Infrared Sounder (AIRS) instrument onboard NASA's Aqua satellite. Tue, 08 Sep 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090908133814.htm http://www.sciencedaily.com/releases/2009/08/090818130414.htm A scientific trend to view the world's biggest cities as analogous to living, breathing organisms is fostering a deep new understanding of how poor air quality in megacities can harm residents, people living far downwind and also play a major role in global climate change. Sun, 30 Aug 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090818130414.htm http://www.sciencedaily.com/releases/2009/08/090827101241.htm A toxic cocktail of ultrafine particles is lurking inside road tunnels in concentration levels so high they have the potential to harm drivers and passengers, a new study has found. Sun, 30 Aug 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090827101241.htm http://www.sciencedaily.com/releases/2009/08/090826110110.htm Scientists have devised a new technology that could be the key to eliminating foul odors and air pollutants emitted by industrial chicken rendering facilities and -- ultimately -- large-scale swine feedlots. Thu, 27 Aug 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090826110110.htm http://www.sciencedaily.com/releases/2009/08/090826073544.htm New research implicates pollution from Asia, Europe and North America as a contributor to recent Australian rainfall changes. Wed, 26 Aug 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090826073544.htm http://www.sciencedaily.com/releases/2009/08/090826152814.htm NIST has issued three new certified reference materials for soil. Intended for use as controls in testing laboratories, the new Standard Reference Materials will aid in determining soil quality, detecting soil contamination, and monitoring cleanup efforts from accidental spills or atmospheric deposition. Wed, 26 Aug 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090826152814.htm http://www.sciencedaily.com/releases/2009/08/090819110008.htm Scientists are reporting some unsettling news about homes in the residential areas of California. The typical home there -- and probably elsewhere in the country -- is an alarming and probably underestimated source of water pollution, according to a new study. Fri, 21 Aug 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090819110008.htm http://www.sciencedaily.com/releases/2009/08/090819153913.htm Burning candles made from paraffin wax -- the most common kind used to infuse rooms with romantic ambiance, warmth, light and fragrance -- is an unrecognized source of exposure to indoor air pollution, including the known human carcinogens, scientists are reporting. Fri, 21 Aug 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090819153913.htm http://www.sciencedaily.com/releases/2009/08/090814165303.htm New research shows that air pollution in eastern China over the past 50 years has decreased the yearly number of days of light rainfall by 23 percent. The study links for the first time high levels of pollutants in the air with conditions that prevent the kind of rainfall critical for agriculture. The results suggest that bad air quality might be affecting the country's ability to raise crops as well as health and the environment. Mon, 17 Aug 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090814165303.htm