> International efforts to protect the ozone layer have been a “huge global success”, scientists have said, after revealing that damaging gases in the atmosphere were declining faster than expected.

> The Montreal protocol, signed in 1987, aimed to phase out ozone-depleting substances found primarily in refrigeration, air conditioning and aerosol sprays.

https://www.theguardian.com/environment/article/2024/jun/11/harmful-gases-destroying-ozone-layer-falling-faster-than-expected-study-finds