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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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[–] Wispy2891@lemmy.world 2 points 5 months ago (1 children)

I didn’t read the article but it seems off. With only 1/20 of energy used by the world in a single year we could undo the damage of 300 years?

Seems too low. If that’s true we could shut down completely for just two weeks to undo

[–] treadful@lemmy.zip 3 points 5 months ago

Can't imagine "shutting down completely for just two weeks" would exactly be reasonable, but yeah I wonder if the article had a typo in it. I'm not sure. As of right now, the numbers are still the same in the article.

If the numbers are correct, expending like 5-10% of our energy expenditure for a single year on carbon capture sounds a lot more reasonable than the article suggests. Even if it were half of our yearly energy usage, that sounds pretty reasonable if you draw that out over a few decades.