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Extreme Heat

new York seen from above including central park

Global South cities lack cooling green spaces

Prison cot near an orange window

Hundreds of Thousands of Inmates Exposed to Dangerous Heat Levels

Air temperature survival limits are greatly reduced in humid heat, and more so for older adults. The corresponding wet-bulb temperatures in dry weather are dramatically lower than the previously assumed limit of 95F or 35C. A wet bulb temperature of only 78F on a dry Phoenix summer day would be considered unsurvivable, yet it would take air temperatures of 128F under 10% relative humidity to reach that limit.

New research explores future limits of survival and livability in extreme heat conditions

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