The panic about the ozone layer was the correct response. It lead to the Montreal protocol which banned CFCs. Quote from a NASA page[1] about what would have ha

The panic about the ozone layer was the correct response. It lead to the Montreal protocol which banned CFCs. Quote from a NASA page[1] about what would have happened without that CFC ban: > By 2040, the ozone hole is global. The UV index in mid-latitude cities reaches 15 around noon on a clear summer day (10 is considered extreme today). [1] https://earthobservatory.nasa.gov/images/38685/the-ozone-layer-if-cfcs-hadnt-been-banned https://earthobservatory.nasa.gov/images/38685/the-ozone-lay...