Ozone hole smaller in 2009 than 2008: WMO

Space & Earth / Earth Sciences

Sep 16, 2009 | not rated yet | 0

The World Meteorological Organisation said Wednesday that the ozone hole is expected to be smaller in 2009 than a year ago.

NASA Satellite Data Show Progress of 2009 Antarctic Ozone Hole (w/ Video)

Space & Earth / Earth Sciences

Sep 16, 2009 | 5 / 5 (1) | 0

(PhysOrg.com) -- The annual ozone hole has started developing over the South Pole, and it appears that it will be comparable to ozone depletions over the past decade. This composite image from September 10 ...

New study shows nitrous oxide now top ozone-depleting emission

Space & Earth / Earth Sciences

Aug 27, 2009 | 5 / 5 (6) | 3

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.

Research studies ozone, good and bad

Space & Earth / Earth Sciences

Nov 08, 2007 | 4.3 / 5 (12) | 0

Depending on its altitude, ozone can be either friend or foe. Thanks to new research led by The University of Western Ontario, scientists will now have a better understanding of ozone, its origin and the role – good or bad ...

Patch of thin ozone layer in New Zealand

Space & Earth / Environment

Sep 24, 2006 | 2.5 / 5 (22) | 0

New Zealanders are being warned to cover up and use sun block as a patch of thin ozone layer moves across the country.

India, China's AC prompts ozone worries

Space & Earth / Environment

Feb 23, 2007 | not rated yet | 0

The growing popularity of air conditioning in India and southern China has some scientists worried about the impact on the ozone layer.

Rocket launches may need regulation to prevent ozone depletion, says study

Space & Earth / Space Exploration

Mar 31, 2009 | 4.5 / 5 (65) | 24

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 ...

Ozone thinning having impact on plants

Space & Earth /

Mar 04, 2006 | 4.1 / 5 (11) | 0

The pollution that causes ozone depletion is declining, but the warming of the atmosphere will see a global thinning of the ozone layer, says a U.N. panel.

Ozone: Climate change boosts ultraviolet risk for high latitudes

Space & Earth / Earth Sciences

Sep 06, 2009 | 2.2 / 5 (13) | 5

(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 ...

Climate Change and Atmospheric Circulation Will Make for Uneven Ozone Recovery

Space & Earth / Earth Sciences

Apr 10, 2009 | 4.4 / 5 (28) | 6

(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. ...

Beyond CO2: Study reveals growing importance of HFCs in climate warming

Space & Earth / Environment

Jun 22, 2009 | 3.9 / 5 (24) | 23

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 ...

Stratospheric injections to counter global warming could damage ozone layer

Space & Earth / Earth Sciences

Apr 24, 2008 | 3.2 / 5 (5) | 0

A much-discussed idea to offset global warming by injecting sulfate particles into the stratosphere would have a drastic impact on Earth's protective ozone layer, new research concludes. The study, led by ...

Ozone layer depletion leveling off

Space & Earth / Earth Sciences

Sep 21, 2009 | 3.7 / 5 (3) | 0

By merging more than a decade of atmospheric data from European satellites, scientists have compiled a homogeneous long-term ozone record that allows them to monitor total ozone trends on a global scale - ...

Snowflake chemistry could give clues about ozone depletion

Chemistry / Analytical Chemistry

Dec 07, 2009 | 5 / 5 (1) | 0

There is more to the snowflake than its ability to delight schoolchildren and snarl traffic.

After Five Years, NASA's Aura Shines Brightly

Space & Earth / Space Exploration

Jul 16, 2009 | 5 / 5 (2) | 0

(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 ...