Entire societies have collapsed due to insufficient access to water - as a matter of fact, drought is perhaps the #1 reason for civilizational collapse in the past.
Many parts of the world are currently experiencing the worst drought conditions since records began - and it's only going to get worse with climate change. This episode explores the dangers of drought, why it will continue to get worse, and what we can expect for the future.
https://www.ppic.org/publication/what-if-californias-drought-continues/#:~:text=Consequences%20include%20sinking%20lands%2C%20higher,these%20symptoms%20of%20chronic%20overdraft.
https://drought.unl.edu/Education/DroughtforKids/DroughtEffects.aspx
https://www.cdc.gov/nceh/drought/implications.htm#:~:text=Drought%20can%20also%20cause%20long,mosquitoes%20breeding%20in%20stagnant%20water
https://www.newsweek.com/arsenic-laced-dust-drought-ridden-great-salt-lake-risk-water-level-drops-1613165
https://www.latimes.com/world-nation/story/2021-07-16/drought-water-use-strategies
https://spei.csic.es/map/maps.html#months=5#month=4#year=2022
https://www.drought.gov/international
https://www.c2es.org/content/drought-and-climate-change/#:~:text=How%20climate%20change%20contributes%20to,the%20timing%20of%20water%20availability.
https://www.wunderground.com/blog/JeffMasters/ten-civilizations-or-nations-that-collapsed-from-drought.html