A physicist runs the math on direct air capture and warns: This tech won't save us from climate catastrophe.
    • JonDorfman@lemmy.worldEnglish
      6·
      1 year ago

      But think of all the space that would take! If you replant forests where are we going to put our superhighways and parking lots?

    • frezik@midwest.socialEnglish
      6·
      1 year ago

      Trees are great for other reasons, but they grow far too slow to capture significant carbon. The fastest natural carbon sinks are algae.

      • NegativeInf@lemmy.worldEnglish
        1·
        1 year ago

        I say, we damn up all of the arctic circle, propagate Azolla there, kill it off and sink it every season. Nature did it once! We can do it again!