Lethal Heat Is Spreading Across The Planet
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21 Sept 2024
Lethal heatwaves with rising temperatures and humidity are spreading rapidly across the hottest parts of Earth
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Global heating is making dangerous combinations of heat and humidity more frequent and life-threatening
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Wet-bulb thermometers measure both temperature and humidity, indicating heat stress on the human body
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As humidity approaches 100%, sweating becomes impossible, and the body can no longer cool itself
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A core body temperature above 40 degree celsius can lead to unconsciousness, seizures, and organ failure
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The critical wet-bulb temperature, above which survival is unlikely, is approximately 31 degree celsius
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Studies show death from heat stress can occur within six hours, even for healthy individuals
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Those performing physical labor, elderly, infirm, and children are at higher risk of lethal heat stress
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Wet-bulb temperatures of 35 degree celsius are rare but becoming more frequent in countries like India and Pakistan
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Air conditioning is often the only way to prevent fatal consequences in these extreme conditions
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