In 120 degree temperatures, some airplanes might not takeoff. Power grids strain as the outside air keeps transmission lines from cooling.
And for desert dwellers, a cold bottle of water and some shade can mean the difference between life and death. Parts of the U.S. Southwest, long accustomed to triple-digit temperatures, are preparing for a heat wave and, in Phoenix, officials
are warning residents that the mercury may rise to 120, approaching Phoenix’s all-time record of 122. READ MORE
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