Study Finds Clock Ticking Slower On Ozone Hole Recovery

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This still image is from an animation that zooms down to Antarctica and shows the daily ozone readings from July 1 2005 to October 252005. Credit: NASA
This still image is from an animation that zooms down to Antarctica and shows the daily ozone readings from July 1, 2005 to October 25,2005. Credit: NASA

The Antarctic ozone hole's recovery is running late. According to a new NASA study, the full return of the protective ozone over the South Pole will take nearly 20 years longer than scientists previously expected.


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