Only if by "Global Warming Solution" you mean that it will cause more global warming. Liquid CO2 boils away (solid CO2, i.e. "dry ice" sublimates) as it cools,

Only if by "Global Warming Solution" you mean that it will cause more global warming. Liquid CO2 boils away (solid CO2, i.e. "dry ice" sublimates) as it cools, so it'll still be released into the atmosphere.