Tag: warmest winter

• Wednesday, April 29th 2020 - 09:36 UTC

  Ozone layer hole over the Arctic has closed and has been linked to Europe's warmest winter

  

  The largest hole ever observed in the ozone layer over the Arctic has closed, says Copernicus' Atmospheric Monitoring Service. Scientists spotted signs in late March of a rare hole forming and it was thought to be the result of low temperatures at the north pole.