It depends if that structure ever burns or rots since this would release much of the same carbon back into the atmosphere
There is actually some research on growing fast crops to be immediately buried after harvest as a CCS solution but it’s a Herculean effort for what you get in terms of tonnes of CO2
There is actually some research on growing fast crops to be immediately buried after harvest as a CCS solution but it’s a Herculean effort for what you get in terms of tonnes of CO2