Both are dreams, not very green by it's own, not really doable (like recycling water) and more important hyper costly witch means that the final product would b

Both are dreams, not very green by it's own, not really doable (like recycling water) and more important hyper costly witch means that the final product would be hyper-expensive. Are you ready to buy a small pot around 550€? Because that's the realist outcome of these starting point dreams. In the end yes, mining companies have invested in various tech, accidentally not one really environmentally friendly for real, those green parts tend to be just scam business like CO₂ sequestration tech and nothing really used on scale. That's probably why we almost close all mines in the western world to transfer them far from people's and reporters eyes...