this post was submitted on 05 Oct 2023
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[–] gravitas_deficiency@sh.itjust.works 26 points 1 year ago (10 children)

Lol oh man I remember back in the 90s before everyone gave up when we were trying to actually shrink that thing

[–] Deceptichum@kbin.social 76 points 1 year ago* (last edited 1 year ago) (6 children)

We shrunk it and it was as good as done once everyone stopped using those gases.

Over the last few years satellites have picked up greatly increasing emissions of them from China. Hence it’s opening up again.

Oh and before any hexchud wants to say this is fake news or whatever:

We show that emissions from eastern mainland China are 7.0 ± 3.0 (±1 standard deviation) gigagrams per year higher in 2014–2017 than in 2008–2012, and that the increase in emissions arises primarily around the northeastern provinces of Shandong and Hebei. This increase accounts for a substantial fraction (at least 40 to 60 per cent) of the global rise in CFC-11 emissions. We find no evidence for a significant increase in CFC-11 emissions from any other eastern Asian countries or other regions of the world where there are available data for the detection of regional emissions.

https://www.nature.com/articles/s41586-019-1193-4

[–] samwise@kbin.social 3 points 1 year ago

Thanks for posting the finding links. I hadn’t heard this before and it gives me a good place to start reading. Crazy that we know this is bad for the earth but we keep doing it. I wrote that sentence and mid way through realized how naive it sounds 😖

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