It's probably still cheaper energy-wise to clean those polluted rivers first.
I agree at some point we must start thinking about reusing agriculture water¹. But doing that when there's a perfectly good river nearby that you don't want to use just because it's polluted seems premature.
1 - Does it imply in vertical? And what would be the impact of not throwing that water at the atmosphere anymore?
I agree at some point we must start thinking about reusing agriculture water¹. But doing that when there's a perfectly good river nearby that you don't want to use just because it's polluted seems premature.
1 - Does it imply in vertical? And what would be the impact of not throwing that water at the atmosphere anymore?