The cost of lost labour on a warming planet

www.nature.com · 2026-09-30 · by Long Nguyen ·generic
Researchers quantify the economic damage caused by climate-change-related heat stress on the global workforce.

The cost of lost labour on a warming planet

Passengers seated inside a covered, mesh-sided trailer in a dry desert setting. Bright clothing, bench seating, support frames, wheels and a small “J C S” sign are visible, while two people sit on ground beside vehicle.

Credit: Joe Proudman/UC Davis

One way to measure the far-reaching effects of climate change is the social cost of carbon (SCC): the estimated monetary cost of emitting one extra tonne of carbon dioxide into the atmosphere. But most SCC estimates don’t account fully for the global cost of labour lost through heat stress. Because abnormally hot and humid conditions pose a serious risk to health, workers are forced to slow down, work fewer hours and take more breaks (pictured), lowering productivity.

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Nature 658, 42 (2026)

doi: https://doi.org/10.1038/d41586-026-02971-x

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The author declares no competing interests.

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