Extreme Heat Experiments Reveal Alarming Risks of Global Warming

By Douglas McIntyre  •  September 2, 2025

Douglas McIntyre, Editor-in-Chief at Climate Crisis 24/7, shared the story of a scientist who risked his health by exposing himself to extreme heat conditions in a chamber. The self-experiment aimed to understand how global warming and extreme heat waves affect the human body. Over three days, his body temperature spiked to dangerous levels and he lost ten pounds—highlighting the severe risks of extreme heat exposure.

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