This week, the Senate is scheduled to vote on a proposal to create a national regulatory structure for carbon dioxide.

Calculations showed that the pressure and temperatures were not right for liquid carbon dioxide.

They would in any case need high tolerance for carbon dioxide.

For carbon dioxide (CO2), though, things can be made more complicated.

But nature already has several storage systems for carbon dioxide, including plants and trees, which use the gas in photosynthesis.

This world is too warm for solid carbon dioxide.

The decision reversed his campaign pledge to set mandatory reduction targets for carbon dioxide.

Wind energy has great potential for carbon dioxide reduction.

This would happen for carbon dioxide dissolved in water.

Conversely, oxygenated blood has a reduced capacity for carbon dioxide.