China is well ahead of the U.S. in cutting carbon emission to GDP ratios. Global warming is a huge problem poised to become much bigger. And most scientists think sequestration can’t be more than a small component of a solution.0.04% atmospheric CO2 is not a problem. If you think it is then the only answer is to sequester the carbon. Especially now that since Pelosi left Taiwan, China has stated is is not participating in any Climate protocols. So that's that.