This summer was the deadliest on record for heat-associated fatalities in Arizona's largest county amid a growing wave of homelessness. Public health statistics this week confirmed a record 359 such deaths just days before the end of the six-month heat season.
The jump in deaths raises questions about how to better protect vulnerable people not only in the desert Southwest, where temperatures regularly hit triple digits, but also in more temperate areas where climate change has fueled more intense, frequent and enduring heat waves.
