The ozone holes caused by refridgerant release (CFCs) have been shrinking for decades. https://www.bbc.com/future/article/20220321-what-happened-to-the-worlds-

The ozone holes caused by refridgerant release (CFCs) have been shrinking for decades. https://www.bbc.com/future/article/20220321-what-happened-to-the-worlds-ozone-hole https://www.bbc.com/future/article/20220321-what-happened-to... https://www.nasa.gov/feature/goddard/2019/2019-ozone-hole-is-the-smallest-on-record-since-its-discovery https://www.nasa.gov/feature/goddard/2019/2019-ozone-hole-is...