I wonder if there are any lessons to be learned from how acid rain and holes in the ozone were ultimately treated. There was definitely more signal in the empi

I wonder if there are any lessons to be learned from how acid rain and holes in the ozone were ultimately treated. There was definitely more signal in the empirical evidence of a problem, but those have been largely mitigated through regulation (and spending my summers doing HVAC work in the 80's and 90's, through some painful steps).