Yes, a major part of the problem is that the human population has grown so large that there is little spare water. Formerly, people could move to regions unaffected by drought. There are no empty habitable spaces left to where people can move.

There are many people using meltwater from glaciers that started to recede 20,000 years ago. There is concern about the last glacier melting. However, if the climate were to cool substantially, there would be less melting, but river flow would still decline, creating a shortage of water.

To quote Pogo, “We have met the enemy, and it is us.” The comic strip ‘Pogo’ no longer exists. Many people have either forgotten the wisdom of Pogo, or were never exposed to it.

Except for floods, earthquakes, and volcanic eruptions.