When you run errands with a pet, do you ever leave them in the car with the windows cracked for an extended period of time? You probably think that by cracking the windows, you’re giving them some air and a fair amount of breeze, even on a warm day. Well, to test out how it actually feels to be left in a parked car, veterinarian Dr. Ernie Ward conducted an experiment. He stuck himself inside of a parked car on a summer day, with all 4 windows cracked, for a full 30 minutes. Here’s what happened:

Will you think twice now before leaving a pet in a parked car?