so IIRC, plants are mostly made of carbon pulled from the air, this being especially true for fast growing plants with minimal root systems (there may be better examples than bamboo, but that one comes to mind). Also, we have plenty of big empty pits because of strip mining. So… why not just have bamboo / whatever farms whose sole purpose is filling those pits with “captured carbon” in the form of fast growing plants. Like yea some of it will rot, but if you pile it on fast enough it quickly becomes a hostile environment for most bacteria.
In: Planetary Science
There are technologies being developed to capture carbon from the atmosphere, put it into a granulate and then bury it to calcify it.
I work with a company that does that, I’m not sure how it all works, I just get to see all the cool machinery!
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