News tagged with ozone levels
Related topics: air pollution
Nasa finds sea ice decline driving rise in Arctic air pollutants
(PhysOrg.com) -- Drastic reductions in Arctic sea ice in the last decade may be intensifying the chemical release of bromine into the atmosphere, resulting in ground-level ozone depletion and the deposit of ...
Space & Earth / Earth Sciences
Mar 02, 2012 |
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Increasing Antarctic sea ice extent linked to the ozone hole
Increased growth in Antarctic sea ice during the past 30 years is a result of changing weather patterns caused by the ozone hole according to new research published this week (Thurs 23 April 2009).
Space & Earth / Earth Sciences
Apr 21, 2009 |
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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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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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Mutant microbes test radiation resistance
Early Earth lacked an ozone layer to act as a shield against high-energy solar radiation, but microbes flourished by adapting to or finding other forms of protection from the higher ultraviolet radiation levels. ...
Space & Earth / Space Exploration
Mar 24, 2011 |
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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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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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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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Long-term ozone exposure linked to higher risk of death, finds nationwide study
Long-term exposure to ground-level ozone, a major component of smog, is associated with an increased risk of death from respiratory ailments, according to a new nationwide study led by a researcher at the ...
Mar 11, 2009 |
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Ground-level ozone pollution helped to recover normal ozone levels over the Iberian Peninsula
The reconstruction of ozone levels over the Iberian Peninsula between 1979 and 2008 reveals that positive trends began eight years after the ratification of the Montreal Protocol. Furthermore, results show ...
Dec 05, 2011 |
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Global warming may delay recovery of stratospheric ozone
Increasing greenhouse gases could delay, or even postpone indefinitely the recovery of stratospheric ozone in some regions of the Earth, a new study suggests. This change might take a toll on public health.
Space & Earth / Earth Sciences
Feb 04, 2009 |
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Wyoming is beset by a big-city problem: smog
(AP) -- Wyoming, famous for its crisp mountain air and breathtaking, far-as-the-eye-can-see vistas, is looking a lot like smoggy Los Angeles these days because of a boom in natural gas drilling.
Mar 08, 2011 |
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A dimmer view of Earth
When Stanford climate scientist Christopher Field looks at visual feeds from a satellite monitoring deforestation in the Amazon basin, he sees images streaked with white lines devoid of data.
Sep 06, 2010 |
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Experts call for cleaner air to tackle invisible killer
Urgent action is needed to reduce the high concentrations of dangerous air pollutants in Europe, according to experts writing in the European Respiratory Journal today (1 March 2012).
Mar 01, 2012 |
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