This is an interesting concept. I'm curious how much of it is offset by the large earth movers required for biomass burial. Also, the land required to plant A

This is an interesting concept. I'm curious how much of it is offset by the large earth movers required for biomass burial. Also, the land required to plant AND bury all the biomass towards this end would have to be roughly the size of North America. Albeit creative, this does not seem like the definitive solution to global warming unless you have some serious political muscle.