this post was submitted on 11 Aug 2023
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[–] ShittyBeatlesFCPres@lemmy.world 81 points 11 months ago (1 children)

This graph is the most damning. We’ve made zero progress according to the only metric that matters.

[–] b_boy@lemmy.world 5 points 11 months ago (2 children)

Why does the graph begin at 1959?

[–] maynarkh@feddit.nl 15 points 11 months ago

When should it begin?

[–] Ghostalmedia@lemmy.world 12 points 11 months ago

I believe that’s the NOAA data source and they started measuring this in the late 50’s. The direct measurement data doesn’t go further back because the technology to measure and or concern wasn’t there.

That said, people have been able to extrapolate past carbon ppm through means other than direct measurement.

https://theconversation.com/scientists-understood-physics-of-climate-change-in-the-1800s-thanks-to-a-woman-named-eunice-foote-164687#:~:text=Humans%20were%20already%20increasing%20carbon,carbon%20dioxide%20into%20the%20air.