It does not matter if it is overpopulation, climate change, greed, Mother Nature or all of the preceding causing the shortage the net result is the same. People are killing other people for their water so they can live for one more hour or day.
It is too late to stop the Water Wars. All that can be done at this point is to lower the demand and and or increase the supply. This must be done now or the Water Wars will escalate.
Asia is already doing a hesitation waltz with China over the oil and gas reserves in what some call the Spratley Islands. China already has serious water problems and as China is killing for oil and natural gas there can be no doubt that she will also kill for water.
Sorry to be a gloom and doom prophet but folks the facts are the facts. The only question is whether or not you will face them and force your government to work on the solution.