18 kids have died this summer after being left in hot cars: safety expert

Nearly 20 children have died this year due to being left in hot cars, according to Safe Kids Worldwide policy director Tony Green. 
"18 kids already died this summer this year, and the last two, the temperature was 81 and 79 degrees," Green told Hill.TV's Buck Sexton on "Rising." 
An average of 37 children die as a result of being left in a hot car each year, according to safety organization Kids and Cars.
The statistics come out as record heat sweeps across parts of the country and Americans prepare to celebrate the Fourth of July. 
Almost 80 million people in the U.S. were under a heat advisory on Tuesday, with some areas on the East Coast hitting highs of 110 degrees, according to CNN.
However, Green said it does not take excessively hot outdoor temperatures to rapidly heat up the inside of a closed vehicle. 
"A car can heat up 106 degrees in 10 minutes, even if it's cool or moderate weather like 80 degrees. So it's really important for parents to remember their kids, never leave them in the backseat of a car," he said. 
"Don't leave them in the backseat of the car for a couple of minutes to get the dry cleaning. It's not a good idea," he said. 
— Julia Manchester