Earth  ID: 11119

2012 Ozone Hole Max

Released on October 24, 2012
An ozone hole forms above Antarctica every year. This year it reached its max on Sept. 22, 2012, but it is smaller than in the past because of usual variations in Antarctic weather conditions. The ozone hole reached its largest size six years ago, in 2006, when it covered more than 11 million square miles. World adherence to the Montreal Protocol-an international treaty that regulated the use of CFCs-has helped protect the ozone layer. Scientists expect the ozone layer to return to 1980 levels by 2050.
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Daily ozone hole images from Jul 1, 2012 - Oct. 19, 2012. The ozone hole max is on Sept. 22nd.
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Retrospective video on the Montreal Protocol and the collaboration between policy makers, scientists, and industry leaders to regulate CFCs.

Credits

Alison Schuyler Ogden (NASA/GSFC): Producer
Laura Betz (Telophase): Writer
Please give credit for this item to:
NASA/Goddard Space Flight Center

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https://svs.gsfc.nasa.gov/11119

Goddard TV Tape:
G2011-109 -- Montreal Protocol for IYC Symposium

Keywords:
SVS >> HDTV
GCMD >> Earth Science >> Atmosphere >> Atmospheric Chemistry/Oxygen Compounds >> Ozone
DLESE >> Narrated
NASA Science >> Earth
SVS >> Montreal Protocol

GCMD keywords can be found on the Internet with the following citation: Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 8.0.0.0.0