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A comment on Why hasn't commercial air travel gotten any faster since the 1960s? (2009). Parent comment

Re:Why hasn't commercial air travel gotten any faster since ... by iamtedd on Tuesday February 11, 2025 @03:13AM (#43010288)
We can't even close the hole in the ozone layer. We were all patting each other on the back for a job well done (which it almost was), but then took our foot off the accelerator and now it's opening back up again.
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Re:Why hasn't commercial air travel gotten any faster since ... by noname120 on Tuesday February 11, 2025 @04:01AM (#43010570)
Not true: https://earthobservatory.nasa.gov/world-of-change/Ozone

Chlorofluorocarbons stay 50-150 years in the atmosphere, once they are there it takes a while for things to go back to normal.

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