Antarctic ozone shows big improvement

The hole in the ozone layer over the Antarctic was the second smallest in the last two decades, data from NASA and the National Oceanic and Atmospheric Administration (NOAA) satellites shows.

Antarctic ozone layer still has big hole

There's still a considerable hole in the Antarctic ozone layer, say scientists, with this year's peak the ninth largest in the 26 year record.

Unprecedented ozone hole opens over Arctic

Last year saw a significant hole open up for the first time in the ozone layer over the Arctic.