Scorched America: A Heatwave Exposed The blistering heat that has ravaged large swaths of the United States, claiming at least 25 lives, is a stark reminder of the country's increasing vulnerability to climate related disasters.
This heatwave's sheer scale and timing are striking, coinciding as it did with celebrations marking the US's semiquincentennial.
Over 140 million people were under active heat alerts across the country on Sunday alone, with more than 20 states reporting temperatures above 100F (38C).