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.
Earth Sciences
Sep 16, 2009
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News tagged with ozone hole
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ozone
Global warming caused by chlorofluorocarbons, not carbon dioxide, new study says
Chlorofluorocarbons (CFCs) are to blame for global warming since the 1970s and not carbon dioxide, according to new research from the University of Waterloo published in the International Journal of Modern Physics B this ...
Earth Sciences
May 30, 2013
208
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Scientists observe first signs of healing in the Antarctic ozone layer
Scientists at MIT and elsewhere have identified the "first fingerprints of healing" of the Antarctic ozone layer, published today in the journal Science.
Earth Sciences
Jun 30, 2016
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30 years of healing the ozone layer
This week marks the 30th anniversary of the signing of the Montreal Protocol on Substances that Deplete the Ozone Layer. The signing of the Montreal Protocol was a landmark political event. The treaty is the first in the ...
Environment
Sep 12, 2017
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First direct proof of ozone hole recovery due to chemicals ban
For the first time, scientists have shown through direct satellite observations of the ozone hole that levels of ozone-destroying chlorine are declining, resulting in less ozone depletion.
Earth Sciences
Jan 4, 2018
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Unusual ozone hole opens over the Arctic
Scientists using data from the Copernicus Sentinel-5P satellite have noticed a strong reduction of ozone concentrations over the Arctic. Unusual atmospheric conditions, including freezing temperatures in the stratosphere, ...
Earth Sciences
Apr 7, 2020
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UN scientists say ozone layer depletion has stopped
The protective ozone layer in the earth's upper atmosphere has stopped thinning and should largely be restored by mid century thanks to a ban on harmful chemicals, UN scientists said on Thursday.
Earth Sciences
Sep 16, 2010
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2014 Antarctic ozone hole holds steady
The Antarctic ozone hole reached its annual peak size on Sept. 11, according to scientists from NASA and the National Oceanic and Atmospheric Administration (NOAA). The size of this year's hole was 24.1 million square kilometers ...
Earth Sciences
Oct 30, 2014
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Is the ozone layer on the road to recovery?
(Phys.org)—Satellites show that the recent ozone hole over Antarctica was the smallest seen in the past decade. Long-term observations also reveal that Earth's ozone has been strengthening following international agreements ...
Earth Sciences
Feb 10, 2013
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New simulation shows consequences of a world without Earth's natural sunscreen (w/Video)
(PhysOrg.com) -- The year is 2065. Nearly two-thirds of Earth's ozone is gone -- not just over the poles, but everywhere. The infamous ozone hole over Antarctica, first discovered in the 1980s, is a year-round fixture, with ...
Earth Sciences
Mar 19, 2009
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