• alvvayson@lemmy.world
    link
    fedilink
    English
    arrow-up
    0
    arrow-down
    1
    ·
    edit-2
    1 year ago

    We aren’t locked in for the next twenty years, only the next ten years.

    We could build a thousand RBMK like nuclear reactors in a decade and then suck out 50 ppm of CO2 out of the atmosphere in another decade.

    Would cost $500B to $1T or so.

    We just don’t really think global warming is serious enough to warrant an action plan at the scale of the Manhattan project, Apollo program or Messmer plan.

    • SkyeStarfall@lemmy.blahaj.zone
      link
      fedilink
      English
      arrow-up
      0
      ·
      1 year ago

      Removing CO2 from the atmosphere is a speculative technology at the moment.

      Like, yes, we “can” do it, if you ignore all the materials and energy needed to perform that process. And that’s just in theory, in practice its bound to be far more difficult.

      No matter how you put it, it’s easier to just… Not release the pollution in the first place. If it’s too difficult to stop polluting, it will certainly be too difficult to remove that pollution that has been already released. Entropy and all that.

      Removing CO2 from the atmosphere is something we should only really start thinking about when the world already runs nearly entirely cleanly.

      • alvvayson@lemmy.world
        link
        fedilink
        English
        arrow-up
        0
        arrow-down
        1
        ·
        1 year ago

        You ignore political realities.

        An Apollo scale program to extract carbon emissions from the atmosphere could be financed by the OECD countries without heavily impacting their economies.

        Building a thousand nuclear plants with reduced safety requirements in a remote place would not run into NIMBY problems.

        Stopping emissions globally would require Chinese political will, since they emit more than all of the OECD combined.

    • entropicdrift@lemmy.sdf.org
      link
      fedilink
      English
      arrow-up
      0
      arrow-down
      1
      ·
      1 year ago

      We’re not locked in for the next 20 years. Not for the next 10.

      The carbon in the atmosphere is going to be there for the next millenium and the temperature won’t level out till the 2100s if we stopped all carbon emission right this second.

      Furthermore, if we did stop all emissions right now, the planet would get 0.5-1.5 °C hotter within a year or two due to the end of the aerosol pollution cooling effect that’s been cutting the effects of carbon induced climate change in half this whole time.

      This year is so hot because they put limitations on sulfur emissions from shipping boats in the Pacific. Those emissions were cooling the atmosphere, but the aerosol emissions (which that sulfur is one of) only last in the atmosphere for about 2 weeks before they’re rained out of the air.

      We’re fucked.