The days are hot, but so are the nights. That's a problem, experts say
science
According to NPR, much of the United States is experiencing potentially record-breaking daytime heat. But experts say the real problem isn't the heat during the day—it's the heat at night. Temperatures are staying unusually warm after sunset, leaving the human body no time to cool down and recover. This shift toward warmer nights is a concerning trend linked to climate change, with growing potential health consequences as nighttime heat becomes increasingly common.
Source: https://www.npr.org/2026/07/02/nx-s1-5879113/heat-wave-ni...
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