Science Memes

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Entropy? Never heard of it. (lemmy.dbzer0.com)

submitted 5 days ago* (last edited 5 days ago) by [email protected] to c/[email protected]

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[–] [email protected] 6 points 4 days ago* (last edited 4 days ago) (3 children)

Yeah, but then you need to cut them down and burry them so that decomposition doesn't release the co2 again. And it takes a lot of land, which can be prohibitive on the scale we'll need.

Another interesting option is fertilizing parts of the ocean for algie to grow. Cody'sLab has an interesting video on a possible way to do that with intentionally crashing astroids into the ocean. https://youtu.be/z7u_IqzkJzE https://youtu.be/2zQb_OitsaY/?t=13m40s

All of these, plus mechanical direct air carbon capture are methods of carbon capture. The right answer will likely be some mix of all of them.

[–] [email protected] 2 points 4 days ago

that's why I just throw all my used paper in the trash to be buried in landfills #doingmypart #onlykindajoking

[–] [email protected] 2 points 4 days ago* (last edited 4 days ago)

You may be able to get away with stacking the cut trees in deserts, where the dryness may prevent bacterial action

Edit: I watched the Cody's lab video. I'm now on team asteroid 2024 yr4. If it isn't going to hit we ought to try to get it to hit the Southern Ocean, and if it will hit we should aim it

[–] [email protected] 2 points 4 days ago

yeah, i guess the algae would also have a counter-effect to global warming.

however, one must be a bit more sensitive about it, as it's a biological process and can mess with the biological world around it. consider: somewhen in the 1970s, a huge cargo ship full of fertilizer (ammonia) sank in the ocean and it lead to a huge algae-growth in the middle of the ocean.

it definitely took some CO2 out of the air, but these algae often also produce lots of toxins as a by-product (to keep predators away), so that lead to a massive fish-dying. which is not so wishable, either.

so anyway, i guess taking CO2 out of the air can happen, but it should happen slowly, such as to not strain the environment too much.