Wind turbines are the subject of this week’s energy-efficient free image. How can an image be energy-efficient, you ask? Easy. It downloads in seconds with the click of a button, and costs you nothing. Ta dah!
This week’s free image comes to us from contributor Batareykin, from a colorful collection that includes boots, boxers, and sailboats!

For more images like this one, check out our entire collection of energy conservation photos. Happy Downloading!

 photo of wind turbines covered with grass in a field

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