>Fresh water is what future wars will be fought over.

Yes, even more so than today. Being American, I never realized how scarce water actually was until college. I studied inter-regional conflict and learned all about water wars.

Related: https://www.worldwater.org/water-conflict/

https://pacinst.org/news/pacific-institute-releases-updates-...

https://en.m.wikipedia.org/wiki/Water_conflict_in_the_Middle...

https://en.m.wikipedia.org/wiki/Water_conflict