this post was submitted on 11 Oct 2023
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Earth, Environment, and Geosciences

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xkcd : Earth Temperature Timeline (imgs.xkcd.com)
submitted 1 year ago* (last edited 1 year ago) by nieceandtows@programming.dev to c/earthscience@mander.xyz
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https://xkcd.com/1732/

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[–] Spzi@lemm.ee 6 points 1 year ago (1 children)

Reduce emissions. That's cheaper, more effective and safer than any other method.

Geo engineering commonly only tries to fix temperature. While that would be a big achievement, it does not change the CO~2~ ppm. And that translates to ocean acidification. Which translates to mass extinctions. Which is still an existential threat also for land living species, and us.

There is only one solution to fix both (and many other, related / caused problems): Fix the source.

We cannot engineer our way out of all the individual symptoms. Just leave fossil fuels in the ground.

[–] bernieecclestoned@sh.itjust.works 5 points 1 year ago (1 children)

I don't think we can reduce emissions fast enough though. 2050 seems a long way away.

There are ways to capture carbon in seawater, kelp is the fastest growing I know of.

We need many solutions, not one.

[–] Spzi@lemm.ee 6 points 1 year ago (1 children)

There are ways to capture carbon in seawater, kelp is the fastest growing I know of.

Okay, that type of geo engineering is a good counter argument against my previous comment. It comes with other issues and does not solve all issues, but still, good point.