News tagged with ozone pollution
Report: Most Americans in areas with unhealthy air
(AP) -- Sixty percent of Americans live in areas with unhealthy air pollution levels, despite a growing green movement and more stringent laws aimed at improving air quality, the American Lung Association ...
Apr 29, 2009 |
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Food crops damaged by pollution crossing continents
(PhysOrg.com) -- Man-made air pollution from North America causes Europe to lose 1.2 million tonnes of wheat a year, a new study has found.
Jan 30, 2012 |
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L.A., Bakersfield remain among U.S.'s most polluted cities, report says
Smog and soot levels have dropped significantly in Southern California over the last decade, but the Los Angeles region still has the highest levels of ozone nationwide, violating federal health standards an average of 137 ...
Apr 28, 2011 |
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New experiments improve accuracy of ozone predictions in air-quality models
A team of scientists led by researchers from the California Institute of Technology and NASA's Jet Propulsion Laboratory have fully characterized a key chemical reaction that affects the formation of pollutants ...
Space & Earth / Earth Sciences
Oct 28, 2010 |
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Invasive kudzu is major factor in surface ozone pollution, study shows
Kudzu, an invasive vine that is spreading across the southeastern United States and northward, is a major contributor to large-scale increases of the pollutant surface ozone, according to a study published ...
Space & Earth / Earth Sciences
May 17, 2010 |
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Carbon, nitrogen link may provide new ways to mitigate pollution problems
A new study exploring the growing worldwide problem of nitrogen pollution from soils to the sea shows that global ratios of nitrogen and carbon in the environment are inexorably linked, a finding that may ...
Apr 21, 2010 |
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Aquatic 'dead zones' contributing to climate change
The increased frequency and intensity of oxygen-deprived "dead zones" along the world's coasts can negatively impact environmental conditions in far more than just local waters. In the March 12 edition of the journal Science, Univer ...
Mar 11, 2010 |
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Springtime ozone increases over Western North America linked to emissions abroad
Springtime ozone levels above western North America are rising primarily due to air flowing eastward from the Pacific Ocean, a trend that is largest when the air originates in Asia. These increases in ozone ...
Space & Earth / Earth Sciences
Jan 20, 2010 |
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Chemists discover ozone-boosting reaction
(PhysOrg.com) -- Burning of fossil fuels pumps chemicals into the air that react on surfaces such as buildings and roads to create photochemical smog-forming chlorine atoms, UC Irvine scientists report in ...
Jul 20, 2009 |
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Zero in on ozone with fluorescent solution that detects harmful molecule in air and body
Researchers at the University of Pittsburgh have developed a fluorescent substance that glows bright green when exposed to even minute amounts of ozone in the air and in biological samples such as human lung cells. A molecule ...
Chemistry / Analytical Chemistry
Jun 22, 2009 |
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Lung doctors expect respiratory diseases will worsen with global climate change
Worldwide increases in the incidences of asthma, allergies, infectious and cardiovascular diseases will result from a variety of impacts of global climate change, including rising temperatures, worsening ozone levels in urban ...
Mar 15, 2012 |
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Asian emissions contribute to air pollution in western United States: study
As Asian countries develop, they are emitting more ozone precursors that pollute surface level air. Many studies have documented this pollution being carried by air currents to the western United States. To learn more about ...
Mar 02, 2012 |
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Low temperatures enhance ozone degradation above the Arctic
Extraordinarily cold temperatures in the winter of 2010/2011 caused the most massive destruction of the ozone layer above the Arctic so far: The mechanisms leading to the first ozone hole above the North Pole ...
Space & Earth / Earth Sciences
Jan 19, 2012 |
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Record air pollution hammers Calif's ag heartland
(AP) -- This is the time of year when residents who often live with the nation's worst pollution often can draw a breath of fresh air. But this winter has not been kind to people who want to play outside ...
Jan 08, 2012 |
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Aura detects pollution in the Great Lakes region
(PhysOrg.com) -- Fires throughout Ontario are generating pollution that is showing up in data from NASA's Aura Satellite in the Great Lakes region.
Space & Earth / Earth Sciences
Jul 25, 2011 |
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