Environment

The federal government has almost no regulations against groundwater pumping, and individual states have weak, variable rules from region to region, per the Times. Arizona is no exception. For most of its history, groundwater has been unregulated in much of the state, operating on a first come first serve basis, according to the National Audubon Society. This means no limit on how much groundwater can be used, and people can simply drain the groundwater until it runs out, Cook said. Also, it's rare to find studies of groundwater on a national scale. Most of the time research focuses on a single source or region.

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I have a friend in Udaipur where the Indians created several water collecting basins in like medieval times to combat freshwater shortage. Even if we assumed climate change wasn't solvable (it obviously is) this particular effect could be mitigated.