Phoenix’s record heat is killing off cactuses
By Macie Goldfarb, CNN (CNN) — At a botanical garden in Phoenix some cactuses can’t take the heat. Record-high temperatures in Arizona, combined with a lack of seasonal monsoons, have caused saguaro cactuses at the Desert Botanical Garden to become “highly stressed,” according to Chief Science Officer Kimberlie McCue. She said a saguaro can appear
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