Environment & Energy

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2. Climate Central Analysis: Climate change is increasing dangerous nighttime temperatures across the globe

Sat Sep 28, 2024, 01:19 PM

Sep 2024

Analysis: Climate change is increasing dangerous nighttime temperatures across the globe
August 8, 2024

Climate change— caused by burning fossil fuels like oil, coal, and gas — is causing a significant increase in dangerously hot nights across the globe.

Due to human-caused climate change, 2.4 billion people experienced an average of at least 2 additional weeks per year where nighttime temperatures exceeded 25°C. Over 1 billion people experienced an average of at least 2 additional weeks per year of nights above 20°C and 18°C.

High nighttime temperatures are detrimental to human health. These temperatures prevent the body from recovering from daytime heat, increase the risk of illness and mortality, and disrupt sleep. Short and poor quality sleep has a range of negative impacts on physical and mental health, cognitive function, and life expectancy.

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INTRODUCTION
Nighttime temperatures have increased even more rapidly than daytime temperatures as the world heats up, exposing millions to potential health risks.

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