Thursday, October 4, 2007

Ozone Hole Over Antarctica Smaller than Normal

Last year the Ozone Hole over Antarctica was the largest measured, but
this year it has shrunk 30% from last year's measurement. This smaller
ozone hole is being attributed to "natural variations in temperature and
atmospheric dynamics" and thus is expected to be only a short term
shrinkage. You can read more about this shrinkage and how the ozone
hole is measured here.

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