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This forum is about wrong numbers in science, politics and the media. It respects good science and good English.

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Re: ozone hole data

Well I have to say that where I work now, a colleague of mine was in charge of the AEA laboratory that designed and built the instruments that measured the ozone layer for the ozone hole investigation project.
He told me that at the end of it, the research scientists had admitted to him that they had no idea if there had always been a hole in the ozone layer.

Re: ozone hole data

On the possibility of there always having been an ozone hole present in the Antarctic region, there was quite a big boost for the idea that ozone holes can occur naturally in the Earth's atmosphere when a small ozone hole suddenly opened up over the Arctic region in 2011:

Arctic ozone hole

I don't remember the issue of there being an Arctic ozone hole in the last few years being reported in the UK mainstream media at all. The existence of this new hole, which has occurred after the phase-out of CFC gases, does not fit in with the Green narratives that all UK environmental journalists and most UK science journalists tend to follow.

But an Arctic ozone hole is potentially more dangerous and should be more newsworthy than having one present over the Antarctic region. The Antarctic is an uninhabited continent, apart from a small number of scientists who work there on a temporary basis. If the Arctic ozone hole grew in size, it might eventually affect Canada and Northern Europe.