News tagged with ozone layer
Related topics: greenhouse gases , climate change
Ozone hole smaller in 2009 than 2008: WMO
The World Meteorological Organisation said Wednesday that the ozone hole is expected to be smaller in 2009 than a year ago.
Space & Earth / Earth Sciences
Sep 16, 2009 |
4 / 5 (1) |
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North America backs plan to cut greenhouse gases
(AP) -- Small island nations gained North America's powerful backing Tuesday for a plan to convert the U.N. ozone treaty into a tool for phasing out some of the globe's most powerful climate-warming gases.
Sep 16, 2009 |
2 / 5 (4) |
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Ozone: Climate change boosts ultraviolet risk for high latitudes
(PhysOrg.com) -- Physicists at the University of Toronto have discovered that changes in the Earth's ozone layer due to climate change will reduce the amount of ultraviolet (UV) radiation in northern high ...
Space & Earth / Earth Sciences
Sep 06, 2009 |
2.4 / 5 (14) |
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What's Holding Antarctic Sea Ice Back From Melting?
(PhysOrg.com) -- Global temperatures are increasing. Sea levels are rising. Ice sheets in many areas of the world are retreating. Yet there’s something peculiar going on in the oceans around Antarctica: even ...
Space & Earth / Earth Sciences
Sep 02, 2009 |
3.1 / 5 (9) |
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New study shows nitrous oxide now top ozone-depleting emission
Nitrous oxide has now become the largest ozone-depleting substance emitted through human activities, and is expected to remain the largest throughout the 21st century, NOAA scientists say in a new study.
Space & Earth / Earth Sciences
Aug 27, 2009 |
4.7 / 5 (7) |
3
Aura Marks Five Years of Sky-High Atmosphere Research
Imagine Earth without an atmosphere - without clouds, wind or air. Earth's atmosphere protects, transports, and reacts to life on Earth.
Space & Earth / Earth Sciences
Aug 05, 2009 |
4.8 / 5 (4) |
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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 |
5 / 5 (2) |
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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 |
3.9 / 5 (24) |
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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 |
4.4 / 5 (13) |
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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 |
4.3 / 5 (18) |
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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 |
2.4 / 5 (14) |
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Climate Change and Atmospheric Circulation Will Make for Uneven Ozone Recovery
(PhysOrg.com) -- Earth's ozone layer should eventually recover from the unintended destruction brought on by the use of chlorofluorocarbons (CFCs) and similar ozone-depleting chemicals in the 20th century. ...
Space & Earth / Earth Sciences
Apr 10, 2009 |
4.4 / 5 (28) |
6
Rocket launches may need regulation to prevent ozone depletion, says study
The global market for rocket launches may require more stringent regulation in order to prevent significant damage to Earth's stratospheric ozone layer in the decades to come, according to a new study by researchers ...
Space & Earth / Space Exploration
Mar 31, 2009 |
4.5 / 5 (65) |
24
Satellites provide new insight into ozone-depleting species
Using data from the satellite-based MIPAS and GOME-2 instruments, scientists have for the first time detected important bromine species in the atmosphere. These new measurements will help scientists to better understand sources ...
Space & Earth / Earth Sciences
Feb 25, 2009 |
3.5 / 5 (4) |
1
A sprightly explanation for UFO sightings?
In legend, sprites are trolls, elves and other spirits that dance high above our ozone layer. But scientists at Tel Aviv University have discovered that some very real "sprites" are zipping across the atmosphere ...
Space & Earth / Earth Sciences
Feb 23, 2009 |
2.6 / 5 (19) |
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