29 April 2020

North Pole's largest-ever ozone hole finally closes.

# North Pole's largest-ever ozone hole finally closes.


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.

The ozone layer shields the Earth from most of the Sun's ultraviolet radiation, which is a major cause of skin cancer.

But on Thursday (April 23), Copernicus - the EU's earth monitoring programme - announced the hole had now closed.

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