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Smog in Medical News

Less Smog Now in Eastern U.S.: EPA

A market-based program is improving air quality, agency claims FRIDAY, Sept. 28 (HealthDay News) -- Emissions of nitrogen oxides (NOx) from power plants, cars and other industry are significantly lower in the eastern United States -- making for less ozone and therefore less smog and he...

Urban Smog Tough on Young Adults' Hearts

It affected 4 indicators of cardiovascular trouble, study found FRIDAY, Aug. 17 (HealthDay News) -- Dirty urban air drags down a number of "biological indicators" pointing to heart risk in young adults, a Taiwanese study shows. The indicators include autonomic dysfunction, inflammation, oxida...

EPA: Nine Indiana Counties Now Meet the Health Standard for Smog

CHICAGO, Oct. 11 /PRNewswire-USNewswire/ -- U.S. Environmental Protection Agency Region 5 today announced it has approved the state of Indiana's request to redesignate Boone, Hamilton, Hancock, Hendricks, Johnson, Madison, Marion, Morgan and Shelby counties in central Indiana to attainment of ...

Death by Smog in California

Recent estimates of deaths from breathing smog are revealed to be twice as high as previous estimates in the Los Angeles Basin. // Unlike previous studies, researchers led by Michael Jerrett, associate professor of preventive medicine, measured specific amounts of soot and number of deaths...

Health and Environmental Groups Announce Intent to Sue Illinois Coal Plant Owners for Violating Clean Air Act

... environmental organization. Its Beyond Coal Campaign is working to retire old coal plants that are the worst contributors to health-harming soot and smog pollution and replace them with clean energy solutions. www.sierraclub.org/coal ...

David Yap receives Amethyst Award

...visor, Air Quality and Meteorology, at the Ontario Ministry of the Environment, his work has led to the development of Ontario's Air Quality Index and smog Alert Programs. He is also renowned for interpreting complex air pollution science for various stakeholders and the media. In addition, Dr. Yap's scie...

More Than Half of Americans Living with Dirty Air

...ttsburgh-New Castle, Pa.; and Fresno-Madera, Calif. Eighty million more Americans (175 million) than last year live in areas with unacceptably high smog (ozone) levels too many days of the year, reflecting both a warmer climate as well as new ozone standards. "Ozone causes inflammation by burning th...

New American Lung Association Report Finds 60 Percent of Americans Live in Areas Where Air is Dirty Enough to Endanger Lives

...ing, coughing and asthma attacks. Breathing ozone pollution can even shorten lives. "More than 175 million Americans live in areas with unhealthy smog levels--that's 80 million more than we identified in last year's report," explained Charles D. Connor, American Lung Association President and CEO ...

Pennsylvania DEP Releases Evaluation of Air Quality Program

...monoxide by 16,102 tons. Ground-level ozone and fine particulate matter remain concerns in parts of the commonwealth. Ozone is a key component in smog and is a human health threat especially to children, the elderly and people with respiratory illnesses. Fine particulate matter, microscopic particles...

Five Money Saving Tips for Green, Clean and Healthy Home Air Providing Asthma and Allergy Relief

...ips that can inexpensively create clean, pure and eco-friendly home air: Upgrade the home air filter. Pollen, mold spores, dust, dirt, smoke or smog and pet dander in the HVAC filter or furnace filter can cause expensive system failures. Upgrading to a "pleat guard" home air filter will k...
Smog in Biological News

Unmanned aircraft to study Southern California smog and its consequences

Using sophisticated unmanned aircraft, research scientists at Scripps Institution of Oceanography, UC San Diego hope to assess Southern Californias potential for climate change and better understand the sources of air pollution. Funded by the California Energy Commission, the California AUAV Ai...

Atmospheric measuring device for understanding smog formation

UPTON, NY - Scientists at the U.S. Department of Energy's Brookhaven National Laboratory have developed a new tool for quantitatively measuring elusive atmospheric chemicals that play a key role in the formation of photochemical smog. Better measurements will improve scientists' understanding of t...

New 'pollution radar' developed to provide unprecedented picture of urban smog

Scientists and industrialists have invented a sophisticated new air quality measuring device that can act as a pollution radar over cities. A team from the Surrey Satellite Technology Ltd, the University of Leicester and EADS Astrium are behind the technology that can be placed on satellites to...

Salt block unexpectedly stretches in Sandia experiments

...standing unexpected salt deformations also may lead to better understanding of sea salt aerosols, implicated in problems as broad as cloud nucleation, smog formation, ozone destruction and asthma triggers, the researchers write in their paper published in the May Nanoletters . The serendipitous discov...

UC Davis begins $2.8 million in studies of agricultural nitrogen's impacts

...gh-altitude ozone, which allows more solar radiation to reach Earth's surface, causing skin cancer and adding to the greenhouse effect; Increased smog and ground-level ozone, which can cause or worsen respiratory diseases such as asthma and viral infections such as the common cold; High concentr...

Human role in Indonesian polluting forest fires -- Guido van der Werf in Nature Geoscience

...including Veni grant winner Guido van der Werf, has analyzed the density of smog during forest fires. They have now established that the intensity of the fo...obably many times higher than that in Australia this year. Furthermore, the smog also causes severe damage to the environment. Knowledge about the causes of...

Increasing levels of rare element found worldwide

...atinum. "It's interesting, maybe ironic, that we stopped adding lead to gasoline in the 70s so that catalytic converters could be introduced to remove smog from car exhaust," says Dartmouth Associate Professor of Earth Sciences Mukul Sharma. "Now we learn that using platinum in the converters is responsib...

Inhaling a heart attack: How air pollution can cause heart disease

...icroscopic particles that can get into the lungs and may gain entrance to the blood stream. (The upper airway filters out larger particles that are in smog and other air pollutants before they can cause a problem.) In addition, researchers have focused on air pollutants, including: ozone nitra...

Iowa State researchers developing clean, renewable energy for ethanol industry

... produce nitrogen oxide emissions. Such emissions aren't acceptable in most industrial facilities under EPA regulations because they can contribute to smog and acid rain. Kong's goal is to develop a burner that will minimize the emission of such pollutants while maximizing combustion efficiency. He...

Warming world in range of dangerous consequences

...ssil fuel combustion, forest fires and smoke from cooking and agricultural waste burning serves to mask global warming caused by greenhouse gases. The smog does so chiefly by creating a dimming effect at Earth's surface. But mitigation of this type of pollution has been increasingly successful by count...
Smog in Biological Technology

FreshDirect's Fleet Goes Biodiesel

...ssil fuel products. In fact, biodiesel reduces CO2 emissions over 78 percent compared to petroleum diesel. According to studies, biodiesel will reduce smog and air pollutions, helping to make New York City a cleaner city. "Our trucks are a mass transit system for food in the communities we serve, and we...

Wisconsin can lead the nation to energy independence

...ically reducing its global climate change impact. smog forming emissions like nitrogen oxide (NOx) have r... the proposed E10 ethanol fuel standard claim that smog will increase in Southeast Wisconsin leading to mo... In fact, the potential for small increases in smog can be offset by adopting flexible air regulations...
Smog in Biological Definition

Photolysis

... such as hydrocarbons and nitrogen dioxide are combined by sunlight to form secondary pollutants such as peroxyacyl nitrates . See photochemical smog . ...
Smog in Biological Dictionary

Inversion

...allowing a ... Inversion (meteorology) This article needs additional citations for verification. ... An inversion can lead to pollution such as smog being trapped close to the ... Inversion - Definition of Inversion at Dictionary.com a free online dictionary ... Inversion Table Sale. 30 Mo...
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