Extreme heat on Independence Day will be America's new normal, experts say

In cities across the U.S., parades were canceled and events were delayed because of the heat. Meanwhile, emergency rooms saw a high number of people with heat-related illnesses.

In cities across the U.S., parades were canceled and events were delayed because of the heat. Meanwhile, emergency rooms saw a high number of people with heat-related illnesses.

(Image credit: Amid Farahi)