3 ms·
CFC global ban in the 90s - http://vancouversun.com/news/local-news/this-week-in-history-banning-cfcs-and-saving-the-ozone-layer-took-a-global-effort http://van
by ghrifter 9y ago
CFC global ban in the 90s - http://vancouversun.com/news/local-news/this-week-in-history-banning-cfcs-and-saving-the-ozone-layer-took-a-global-effort http://vancouversun.com/news/local-news/this-week-in-history...
- ams6110 9y agoTrue, but there was a ready substitute. When have we ever had a global agreement that required real sacrifice?