Montreal Protocol

A united global effort to phase out ozone-depleting substances means that today, the hole in the ozone layer is healing.
WMO/Chunseong Bang

Act now to slow climate change and protect the planet, urges UN chief

16 September 2021
Climate and Environment

The ozone layer – a fragile shield of gas that protects the Earth from the harmful rays of the sun – is “on the road to recovery”, the UN chief said on Thursday in his message for the World Ozone Day.

A September 2019 visualization of the ozone layer over the Antarctic pole. The purple and blue colors show areas of most ozone depletion.
NASA

Ozone on track to heal completely in our lifetime, UN environment agency declares on World Day.

16 September 2019
Climate and Environment

At the current momentum, scientists predict the planet’s protective shield of gas - or ozone layer as we know it - will be completely healed as far as some regions of the planet are concerned, by the 2030’s, the UN’s environmental agency (UNEP) revealed on Monday.