At 1000$/tonne of CO2 (Air capture!) burying a soda bottle (2L - 42g) would cost on the order of 5 cents, or conveniently what many states charge as a bottle de

At 1000$/tonne of CO2 (Air capture!) burying a soda bottle (2L - 42g) would cost on the order of 5 cents, or conveniently what many states charge as a bottle deposit, so no. You would have to be burying 5-10 kilos of plastic to approach even $10 worth of carbon dioxide emission mitigation.