Then don't. Use it for producing hydrogen. Compress, liquify it, slush it. Use the surplus electricity by nuclear, fantastic fusion, whatever, to suck the carbo

Then don't. Use it for producing hydrogen. Compress, liquify it, slush it. Use the surplus electricity by nuclear, fantastic fusion, whatever, to suck the carbon out of the air, and make zeolites out of it to mix it into agriculturally used grounds, cat litter, whatever.