4 ms·

I think they mean at a certain point there will be no water to grow plants and it might even be too hot to grow them even if there was water.

• edgyquant 3y ago
  Why would this ever be the case? The planet is 2/3s water
  • HNDen21 3y ago
    That is mostly sea/ocean, a lot of desalination would be needed
  • hairofadog 3y ago
    It’s 2/3 salt water. Desalinization is resource intensive, and water transport is fraught with geopolitical peril.
    • NoZebra120vClip 3y ago
      If only there were some method of extracting fresh water from the sky, somehow
      • irrational 3y ago
        Not if Arizona receives less rainfall, as predicted.