After a jury turned up the heat on self-help guru James Arthur Ray and convicted him of negligent homicide in connection with the deaths of three people who overheated in a Sedona, Arizona, sweat lodge, PETA hopes to erect a billboard in the sizzling Southwest town to remind people of the dangers dogs also face in the heat.

On a 90-degree day, the temperature inside a car can reach 160 degrees in 10 minutes. If you see a dog in a parked car on a warm day, call the police immediately. Don't leave until help arrives.   
Written by Jared Misner