https://www.youtube.com/watch?v=pmq2ARHMNzA
The recovery of the ozone hole has been a quintessential environmental success story, as the world has worked largely in harmony for decades to phase out ozone-depleting chemicals. So last year’s discovery that emissions of CFC-11, one of those banned chemicals, was suddenly reversing course came as a shock.
https://marygreeley.com/?p=85972