Schools around the US are changing how they deal with the summer heat and athletes practicing outside. CNN's Allison Chinchar and Coy Wire explain how they decide when it's safe.
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Sat, 08/24/2019 - 8:41am
Schools around the US are changing how they deal with the summer heat and athletes practicing outside. CNN's Allison Chinchar and Coy Wire explain how they decide when it's safe.