"Since they debunked the ozone hole."
I've been hearing this thrown out online and in person for the past couple of years, but I recently Googled it, and wasn't able to find any information on recent developments. My first reaction is that it is simply a right wing talking point. But I'm not going to just dismiss it as such on the chance that there have been developments that I'm unaware of that have cast doubt on the link between CFCs and the destruction of the Earth's ozone layer, or even new information casting doubt on the loss of the ozone layer at all.
At a training class for appliance repair, the instructor was stating quite confidently the the "ozone hole" (which I realize was caused by overall thinning) has been debunked, and then launched into a conspiracy theory about how it was all about money since Dow's patent on R12 was about to run out in the early 1990s. Since this would entail a global conspiracy, it is laughable. But I was hesitant to challenge the idea that ozone depletion has been debunked, since I have no been able to find any recent information on the state of the ozone layer, or projections of its further depletion or recovery.
Have any of you read anything recently? I know it has been overshadowed by global warming theories, and by the fact that CFCs are being phased out, and there is probably little more we can do. But I find the smug assertion that the disuse of CFCs was unnecessary, and just another example of hysterical liberal environmental BS annoying. I'd like to be able to confidently refute it.