Ocean CDR has enormous physical capacity and a much harder trust problem. The chemistry can be clear while the accounting stays messy. For the broad landscape, Lee et al. is a strong recent review:…
Mineral storage has the nicest end state: carbonate solids are easy to understand. The difficult part is getting there without pretending crushing, heat, water and transport are free. Matter et al.…
Geological storage has a much stronger evidence base than most carbon removal debates make it sound, but "permanent" still needs to be translated into monitoring evidence people can inspect. Sleipner…