In his new book, Heat: Adventures in the World’s Fiery Places, Bill Streever writes about how heat has affected humans and the world.

As you've been hearing in our series "Heat Wave," temperatures here in metro Phoenix are expected to increase in the years ahead. And that has city officials taking action.

A new study predicts warmer temperatures in Arizona’s growing urban corridor by 2050.

An excessive heat warning is to take effect at 10 a.m. Monday and run through at least Wednesday.

The Maricopa Association of Governments is asking for help, as it collects bottled water for its Heat Relief Network. From Phoenix, KJZZ’s Mark Brodie reports.