The international treaty called The Montreal Protocol on Substances that Deplete the Ozone Layer (Montreal Protocol) is gradually eliminating the production and consumption of ozone depleting substances to limit their damage to the earth’s ozone layer. The Montreal Protocol is signed by 197 countries – the first treaty in the history of the United Nations to achieve universal ratification – and is considered by many the most successful environmental global action.
The above is the man reason the ozone layer recovered, A win for science just like nuclear power and the jet engine. Just for everyone's info I am not a greens voter and never will be.
