Don't we... _want_ high altitude ozone? Wasn't there a whole ozone layer hole thing a few years back? It was a problem...? #confused
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Replying to @RichFelker
@landley DuPont pretended to oppose but really supported "protecting the ozone layer" because their R-12/R-20/etc. patents were expiring.1 reply 0 retweets 0 likes
@landley Ban use of tech liberated from patents, force dependence on new patents.
11:21 AM - 28 Apr 2015
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