Trees are naturally efficient at sucking down vast amounts of carbon dioxide from the air, but they release the carbon again when they die and rot on the ground. Sequestering trees underground could prevent this. If biomass burial works as well as hoped, it may provide a relatively cheap and easy way to pull down some share of the billions of tons of greenhouse gas that studies find may need to be removed to keep global temperatures in check in the coming decades.
This is a truly great idea. Putting great gobs of biomass and safely sequestering it underground is revolutionary. We'll need to put it deep enough that it won't decompose and we'll also meed to find a way to pressurize it to maximize the volume and prevent moisture intrusion. We probably want to put it near desserts where the naturally arid conditions will hasten the process of compaction. Perhaps we can get the Arab Countries on board?
https://www.technologyreview.com/2022/12/15/1065016/a-stealt...
Trees are naturally efficient at sucking down vast amounts of carbon dioxide from the air, but they release the carbon again when they die and rot on the ground. Sequestering trees underground could prevent this. If biomass burial works as well as hoped, it may provide a relatively cheap and easy way to pull down some share of the billions of tons of greenhouse gas that studies find may need to be removed to keep global temperatures in check in the coming decades.