The problem, though, is that the water taken up by agriculture and the water taken up by people in cities does not come from the same big bucket. A drop of wate

The problem, though, is that the water taken up by agriculture and the water taken up by people in cities does not come from the same big bucket. A drop of water save by Ag doesn't equate to a drop of water that can be used in my shower. Infrastructure changes will have to happen and the 20% users will also have to make cuts.