Mirabelle Demske, second from left, uses a portable electric fan to cool off her friends Faith Hamzy, center, and Annie Sayre, second from right, Thursday, June 20, 2024, at YMCA Camp Kern in Oregonia, Ohio. As the first heat wave of the season ripples across the U.S., summer camps are working to keep their children cool while still letting the kids enjoy being outside with nature. (AP Photo/Joshua A. Bickel)