Deeply concerning, global warming is responsible for crises around the world:
Mexico City is home to nearly 22M people. But for months, the sprawling city has been suffering from diminishing water supplies — and now, one of the world's most populated cities is on the verge of a "day zero" where it will no longer have enough water to provide residents.
https://www.cbsnews.com/news/mexico-city-nearly-out-of-water-many-go-days-if-not-weeks-without-it/