The ozone hole over Antarctica grew to the size of North America this year – the fifth largest on record – according to the latest satellite observations.
US government scientists from the National Oceanic and Atmospheric Administration (NOAA) say this year's ozone hole reached its maximum level on September 12, extending to 10.5m sq miles and four miles deep.
Ozone hole over Antarctica grows again
In the wake of the deadly flash floods in Texas on July 4, Texas leaders are...
