News tagged with ozone
Related topics: environmental protection agency , air pollution
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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Exploring the Moon, Discovering Earth
(PhysOrg.com) -- Forty years ago, Apollo astronauts set out on a daring adventure to explore the Moon. They ended up discovering their own planet.
Space & Earth / Space Exploration
Jul 20, 2009 |
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After Five Years, NASA's Aura Shines Brightly
(PhysOrg.com) -- On July 15, 2004, NASA's Aura spacecraft launched from California's Vandenberg Air Force Base on a mission to study Earth's ozone layer, air quality and climate. Aura's data are helping scientists ...
Space & Earth / Space Exploration
Jul 16, 2009 |
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Ozone, nitrogen change the way rising CO2 affects Earth's water
Through a recent modeling experiment, a team of NASA-funded researchers have found that future concentrations of carbon dioxide and ozone in the atmosphere and of nitrogen in the soil are likely to have an ...
Jul 09, 2009 |
3.1 / 5 (7) |
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Ozone depletes oil seed rape productivity
With rising ozone levels scientists have found that high ozone conditions cause a 30 percent decrease in yield and an increase in the concentration of a group of compounds with toxic effects to livestock, but anticarcinogenic ...
Jun 29, 2009 |
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Salt block unexpectedly stretches in new experiments
To stretch a supply of salt generally means using it sparingly.
Nanotechnology / Nanomaterials
Jun 24, 2009 |
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Ozone hole reduces atmospheric CO2 uptake in the Southern Ocean
Does ozone have an impact on the ocean's role as a "carbon sink"? Yes, according to researchers from France. Using original simulations, they have demonstrated that the hole in the ozone layer reduces atmospheric carbon uptake ...
Space & Earth / Earth Sciences
Jun 24, 2009 |
2.3 / 5 (3) |
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Beyond CO2: Study reveals growing importance of HFCs in climate warming
Some of the substances that are helping to avert the destruction of the ozone layer could increasingly contribute to climate warming, according to scientists from NOAA's Earth System Research Laboratory and their colleagues ...
Jun 22, 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 |
4.5 / 5 (2) |
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Global sunscreen won't save corals
Emergency plans to counteract global warming by artificially shading the Earth from incoming sunlight might lower the planet's temperature a few degrees, but such "geoengineering" solutions would do little to stop the acidification ...
Jun 16, 2009 |
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ESA extends Envisat satellite mission
(PhysOrg.com) -- ESA Member States have unanimously voted to extend the Envisat mission through to 2013. Envisat - the world’s largest and most sophisticated satellite ever built - has been providing scientists ...
Space & Earth / Earth Sciences
Jun 05, 2009 |
5 / 5 (2) |
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Non-toxic hull coating resists barnacles, may save ship owners millions
North Carolina State University engineers have created a non-toxic "wrinkled" coating for use on ship hulls that resisted buildup of troublesome barnacles during 18 months of seawater tests, a finding that could ultimately ...
May 28, 2009 |
5 / 5 (2) |
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Researcher finds higher summer ozone concentrations in southeast metro Atlanta
(PhysOrg.com) -- A Georgia State University researcher has found that the highest concentrations of summertime ozone -- a major air pollutant and respiratory health hazard — tended to occur in the southeastern part of metro ...
May 26, 2009 |
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US supports reducing climate-warming gases
(AP) -- The Obama administration called hydrofluorocarbons widely used in refrigerators and air conditioners "a very significant" threat to climate change Monday, and expressed a preference for drastically ...
May 04, 2009 |
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US wants to move on climate change
(AP) -- The Obama administration, in a major environmental policy shift, is leaning toward asking 195 nations that ratified the U.N. ozone treaty to enact mandatory reductions in hydrofluorocarbons, according ...
Apr 30, 2009 |
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