News tagged with ozone level
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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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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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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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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Monitoring ground-level ozone from space
Satellite views of the Midwestern United States show that ozone levels above 50 parts per billion (ppb) along the ground could reduce soybean yields by at least 10 percent, costing more than $1 billion in lost crop production, ...
Aug 29, 2011 |
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Soybean genetic treasure trove found in Swedish village
The first screening by U.S. Department of Agriculture (USDA) scientists of the American ancestors of soybeans for tolerance to ozone and other stresses had an eye-opening result: The world superstars of stress ...
Jul 29, 2011 |
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European research effort improves understanding of impacts of aerosols on climate
Atmospheric aerosol particles (otherwise known as Particulate Matter) have been masking the true rate of greenhouse gas induced global warming during the industrial period. New investigations show that the aerosol cooling ...
Space & Earth / Earth Sciences
Jun 29, 2011 |
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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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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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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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Allergies through ozone effects? Ozone increases allergen load
Ozone affects pollen allergens: at ozone levels typical of photochemical smog, more allergens are formed in pollen. This connection has been demonstrated in the rye plant and is now being published in the ...
Medicine & Health / Medical research
Aug 23, 2010 |
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'Business as usual' crop development won't satisfy future demand
Although global grain production must double by 2050 to address rising population and demand, new data from the University of Illinois suggests crop yields will suffer unless new approaches to adapt crop plants ...
Jul 07, 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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