Usually, trees provide us shade for buildings, whereas we are kept cooler than in if it were to be fully exposed by the sun. However, these days, solar panels, when mounted onto the rooftops of buildings, are able to also provide us comfort and shade (along with generating clean electricity).
Researchers at the University of San Diego took a closer look at the solar panels' cooling effect to see how big the effect is and what kind of panel orientation can reap the most benefits." They note that "Using thermal imaging, researchers determined that during the day, a building's ceiling was 5 degrees Fahrenheit cooler under solar panels than under an exposed roof."
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