this post was submitted on 22 Jul 2024
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[–] HelixDab2@lemm.ee 10 points 4 months ago (2 children)

The ozone layer one is still a work in progress. CFCs were banned, but HCFCs replaced them; they were less likely to make it up to the ozone layer in the first place, but did more damage once they got there. HCFCs have been/are being replaced, but many of the refrigerants and blowing agents that we currently use do damage the ozone layer, and replacements haven't been found yet. BUT!, the point is, they're still working on solving the problems that were created a hundred years ago, and still making progress.

[–] ColeSloth@discuss.tchncs.de 6 points 4 months ago

China seemed to have continued using the banned cfc's. Chemical tracing satellites have picked up heavy concentrations over a couple areas there about 5 years ago.

After being called out on it, they did put a stop to it. They claim they were from illegal factories.

[–] JellyfishGalaxy@lemmy.ca 4 points 4 months ago

Ah, go figure! I should have looked that one up as well. Glad to hear they're still working on it, maybe I'll go read up on it more. Thanks for the info!