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How Much Energy Would It Take to Pull Carbon Dioxide out of the Air? (www.wired.com)

submitted 5 months ago by jeffw@lemmy.world to c/technology@lemmy.world

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[–] SlopppyEngineer@lemmy.world 21 points 5 months ago (8 children)

TL;DR: the total energy produced by humanity in a year.

Or if you want to do it in let's say 20 years, 5% of the total power output.

[–] Cavemanfreak@lemm.ee 8 points 5 months ago (1 children)

It's way less than that. 2.39x10^20 is around 4% of 5.8x10^21. Not even close to "almost as much". Looks like the authors don't know their powers of 10. So if we dedicate 5% of the total energy for one year it could theoretically be done.

[–] sugar_in_your_tea@sh.itjust.works 2 points 5 months ago

Assuming a 100% efficient CO2 capture system...

Here's an actual carbon capture system, I have mo idea how efficient or practical it is.

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