• fckreddit@lemmy.ml
    link
    fedilink
    English
    arrow-up
    2
    ·
    2 days ago

    Carbon sequestration is not going to solve global warming. CO2 is less than 2% of atmosphere. Even if you pass a shitton of air through the strata the difference will be negligible.

    • Rob Bos@lemmy.ca
      link
      fedilink
      English
      arrow-up
      4
      ·
      1 day ago

      Water absorbs a lot of co2 and removing it from the water via weathering is a valid idea.

      • fckreddit@lemmy.ml
        link
        fedilink
        English
        arrow-up
        1
        ·
        1 day ago

        I don’t know. What do you think is the concentration of CO2 in the sea water? I am just not convinced.

        • piccolo@sh.itjust.works
          link
          fedilink
          English
          arrow-up
          3
          ·
          1 day ago

          The biggest threat of co2 emmisions is ocean acidifcation. A collapse of the ocean ecosystem would be devastating to the rest of the planet. A warmer planet sucks, but dead phytoplankton would result in a global plumment in O2 production.

        • Rob Bos@lemmy.ca
          link
          fedilink
          English
          arrow-up
          1
          ·
          1 day ago

          The concentration isn’t as important as the difficulty to remove it. It’s still a hard problem, but rock weathering is one way to accomplish it, but it would need a lot of exposed rock surface.

          • fckreddit@lemmy.ml
            link
            fedilink
            English
            arrow-up
            1
            ·
            14 hours ago

            Not just a lot of exposed rock surface. But also, there are energy costs for pumping water to the exposed surface. Factoring in the efficiency of the carbon removal from the water, I find it hard to believe it is a good solution.

            Wouldn’t it be better if we focus on better sources of energy? I am no expert, but I know about it more than a common man due to my academic background in civil engineering.