3 ms·
Banning ozone-depleting chlorofluorocarbons. https://en.wikipedia.org/wiki/Montreal_Protocol https://en.wikipedia.org/wiki/Montreal_Protocol
by kenny11 5y ago
Banning ozone-depleting chlorofluorocarbons.
https://en.wikipedia.org/wiki/Montreal_Protocol https://en.wikipedia.org/wiki/Montreal_Protocol