Heating Up

Even on relatively cool days, studies have shown that the sun can rapidly warm air trapped under glass – this is why greenhouses stay warm in the much colder winter season.  It also means that parked cars can heat up by about 40 degrees in an hour during the summer months, with 80 percent of that warm-up happening in the first half-hour!

Viewer Tip: Many people are inclined to take pets along on summer travel or errands, but summer heat can be deadly for companion animals.  Pets are less efficient at cooling off than humans are, and overweight, short-nosed, and senior pets are particularly at risk.  If you’re headed somewhere that pets may not be allowed, leave them at home with plenty of water and shade, instead of leaving them in the car.

Season: Summer

(Stanford School of Medicine, July 2005. “Parked Cars Get Dangerously Hot, Even on Cool Days, Stanford Study Finds.” med.stanford.edu/news_releases/2005/july/hot-cars.htm; Humane Society of the United States. “Cool It! Summer’s Heat can be Deadly for Your Pet.” www.hsus.org/pets/pet_care/cool_it_summers_heat_can_be_deadly_for_your_pet.html)

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