The ozone layer is self-repairing. CFCs were causing the ozone layer to deplete. Banning them has allowed that healing to happen.
The CFC ban was a good example of straightforward, science-based environmental science. Experiments were done, experiments were replicated in other locations to verify the original research.
A solution was proposed and adopted. No problem. No ‘belief’ involved.
CFC ban was a huge scam. Patents were running out on old refrigerants so manufacturers created new ones with new patents in order to maintain their huge profit margins.
The next thing you know... Acid rain will be back on the social media map... I don’t recall ever getting high off that stuff.
That hole has been there since wild poodles roamed the earth. It takes sunlight to produce ozone and areas that get little to no sunlight for a period of time have less ozone. The cfc hypothesis is/was a scam. Possibly a test case for the whole climate change scam. Tyrants never rest.
A friend once told me about something in the eye of penguins or some creature in the Antarctic. In essence the creatures had an eye behavior or structure that was a defense against ultraviolet rays (the value of the ozone layer is that it absorbs ultraviolet rays).
He said this behavior was something that would have evolved over thousands of years, proving that the ozone hole phenomenon has been around for thousands of years.
The ozone hole is a cheap graphic fraud. All they did was designate some low value of Dobson units the color black and presto, it looks like a hole. It would be like if USA Today replaced the color purple with black on their winter weather maps. It would look like there was a black death sweeping across Minnesota and the Dakotas. A hole is physically impossible due to Fick’s law of diffusion. Rather, there is a lower concentration of ozone over a pole during the winter (surprise, because ozone is made by the sun), but on the opposite pole, there is a higher concentration. 6 months later, those stats reverse.
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Being an engineer and doing a tremendous amount about the HVAC our industry I can tell you for a fact that this entire nonsense was a giant conspiracy to make money and to have to constantly change refrigerant and that is all it is ever been Freon was a perfectly good refrigerant R 12 was also a perfectly good refrigerant both of which could’ve continued to have been used perfectly fine but they made the entire industry switch to much more expensive stupid and ineffective refrigerant which also corroded the internal piping and caused much more maintenance headaches again this entire nonsense and Al Gore was a giant Dupitt in a part of it was a conspiracy to generate revenue for the HVAC industry
The ozone 'hole' only is present during the antarctic winter, when and where dang little bare skin, human or otherwise, is being exposed to UV light. It's hiding from frostbite instead under parkas, fur or feathers. Simpler, skinless lifeforms, like plankton, evolved having melanin to protect themselves. The antarctic summer doesn't have an ozone hole. Nor does the arctic at any time of year. We actually have better long term data on the lack an an arctic ozone hole then on the antarctic one being a new, human caused, problem. Dermatologists have been measuring UV levels (not ozone directly, but the sole important consequence of ozone) in Canada and US since the early 60s and they've been stable. The measuring equipment changed along the way and the eco-chicken littles like to ignore the older northern data set, but the best data available is decent data and says no change for 50+ years. Before the first ozone measuring satellite launched on late 70s and discovered a hole there was virtually no southern data on ozone and UV levels. All they had was measurements from 1957-8, nothing else. The theory that CFCs might catalyze ozone depletion was posited in 1974. I learned of that in 1974 and was taught there was then just the one, twenty year old, data point. But the eco-chickens grew its importance beyond Moses' stone tablets. The hole could been there most winters before CFCs were invented; they can't disprove that.
Eco-chickens love to claim that the loss of the narrow, partial protection ozone provides threatens the existence of life on earth. They conveniently ignore that nature provides an excellent internal control on the consequences of no ozone. Very little ozone, year round, stays over equatorial latitudes. What forms there circulates away to the poles. There has been a year round ozone 'hole' over the tropics as long as we can say. Yet life seems to thrive there. As a Dermatologist for 30+ years, who's been following this issue for 40+ years, I've long been skeptical about it. Sadly some of my field's literature has bought into it. But to me, it's just an unproven, overhyped claim from the same bunch of socialists pushing "the climate is falling" hoaxs in attempt to gain themselves funding and power.