Why CO2 from air vs. extraction from seawater? I remember seeing some papers (e.g. [0]) suggesting the from seawater route was way more efficient per m^3 proces

Why CO2 from air vs. extraction from seawater? I remember seeing some papers (e.g. [0]) suggesting the from seawater route was way more efficient per m^3 processed with a lot less environmental disturbance. [0] https://doi.org/10.1021/ie502128x https://doi.org/10.1021/ie502128x