>Reverse Osmosis seems so energy intensive at a fundamental level when you consider that the sun naturally distils and desalinates water all day long. Sun does

>Reverse Osmosis seems so energy intensive at a fundamental level when you consider that the sun naturally distils and desalinates water all day long. Sun does it but it does so over large surface area and the distillation per unit area that naturally happens is much less than what we require.