Interesting article:
https://newatlas.com/carbon-capture-...to-coal/58637/
Supposedly turning atmospheric CO2 into coal is in the realm of possibility. One article I read said that it could be put back into the ground, however it could also be burned for energy, along with the byproducts produced from it.
A different article I read earlier today said something different from this article; that researchers actually made coal flakes from CO2 at room temperature.