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What is 'corn sweat' and how does it exacerbate heat waves?

July 30, 2025

What is 'corn sweat' and how does it exacerbate heat waves?

A corn field during sun rise.

Principal Investigator at the Byrd Polar and Climate Research Center and State Climatologist of Ohio, Aaron Wilson,  shared with ABC News how mid-summer marks the peak of corn’s maturity, when pollination and grain fill lead to increased transpiration, or “sweating.”

A phenomenon called "corn sweat" could exacerbate the impacts of the extreme heat blanketing a large portion of the United States, according to experts.

https://abcnews.go.com/US/corn-sweats-exacerbate-heat-waves/story?id=124032829

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