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National Institute of Environmental Health Sciences

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Your Environment. Your Health.

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August 2024
Global Environmental Health Newsletter
Learn More About GEH at NIEHS
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Updates from the GEH Program
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GEH Podcasts and Webinars
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Funding at NIEHS

Glossary Term: Extreme Temperatures

Definition: Temperature variations above (extreme heat) or below (extreme cold) normal conditions.

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The NIEHS identifies Global Environmental Health (GEH) as a part of its strategic themes, recognizing that because environmental health problems cross national boundaries, conducting studies around the world benefits not just those in areas being studied, but all people who suffer from the same or related environmental health problems.

Last Reviewed: March 27, 2025