I think it's something that people don't think about. It's hot outside-your car is like a fishbowl. So the light comes in, and it gets trapped, and it gets really hot in there really quickly. If you see a dog in a hot car, and you think that he's in danger or that he's been there for a while, it's good to speak up... go into whatever businesses it's parked outside of, and just raise awareness about it.