2012 Ozone Hole Max
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.
Daily ozone hole images from Jul 1, 2012 - Oct. 19, 2012. The ozone hole max is on Sept. 22nd.
Retrospective video on the Montreal Protocol and the collaboration between policy makers, scientists, and industry leaders to regulate CFCs.
Credits
Please give credit for this item to:
NASA/Goddard Space Flight Center
-
Producer
- Alison Schuyler Ogden (NASA/GSFC)
-
Writer
- Laura Betz (Telophase)
Release date
This page was originally published on Wednesday, October 24, 2012.
This page was last updated on Wednesday, May 3, 2023 at 1:52 PM EDT.
Tapes
The media on this page originally appeared on the following tapes:-
Montreal Protocol for IYC Symposium
(ID: 2011109)
Thursday, November 10, 2011 at 5:00AM
Produced by - David Hon (NASA)