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Edition #18 · Saturday, May 9, 2026 · 1109 positive stories
Environment & Climate

Paris Staged a Huge Stress Test for Extreme Heat

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Paris Staged a Huge Stress Test for Extreme Heat

This story was originally published by Grist. Sign up for Grist’s weekly newsletter here. On a sunny Friday afternoon in October 2023, some 70 children filed into a cool, dark tunnel in the south of Paris to help the city rehearse for its increasingly hot future. The tunnel, part of the abandoned Petite Ceinture railway encircling the city, is always 64 degrees Fahrenheit (18 degrees Celsius), making it the perfect safe haven from the potentially lethal heat imagined outside. Once underground, e

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About Environment & Climate coverage

Environment stories track ecosystems recovering, species rebounding, clean energy milestones, and conservation wins. Climate news is included when the story centers on measurable progress rather than projections of future damage. We believe tracking what is working is as important as tracking what is not.

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