>Then, to fix it, we'll need a massive Direct Air Capture industry that will have to operate for a century, and probably past that so we can hit and maintain a

>Then, to fix it, we'll need a massive Direct Air Capture industry that will have to operate for a century, and probably past that so we can hit and maintain a CO2 level of 250ppm. Removing CO2 from seawater would be more efficient because some of the work is already done for you, and you'd be de-acidifying the ocean long term.