South Pole ozone hole shrinks to smallest

By Seth Borenstein
Updated October 23 2019 - 5:43am, first published 5:41am
This year's shrinking in the ozone hole at the South Pole is a a fluke of the weather, experts say.
This year's shrinking in the ozone hole at the South Pole is a a fluke of the weather, experts say.

The ozone hole near the South Pole is at its smallest since it was discovered but that is more due to freakish Antarctic weather than efforts to cut down on pollution, NASA says.