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Antarctic ozone hole shrinks to 2nd smallest in 20 yrs

Last Updated: Thursday, October 25, 2012, 14:09

Scientists attribute the change to warmer temperatures in the Antarctic lower stratosphere.

Current Antarctic ozone hole 9th largest on record

Last Updated: Saturday, October 22, 2011, 17:19

The Antarctic ozone hole, which yawns wide every Southern Hemisphere spring, reached its annual peak on Sept. 12, becoming the ninth largest ozone hole on record.

`Antarctic ozone hole now as big as North America`

Last Updated: Sunday, October 16, 2011, 18:29

The first significant ozone hole above the Antarctic is now as big as North America, scientists have claimed.