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Heat-Stress Days Surge to 41 in 2024, Threatening One Billion

6/23/2026

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Summary

Story summary

Researchers led by Rebecca Emerton published a Nature Climate Change paper documenting a rise in heat-stress days and the expansion of zones into cool regions.
The analysis records 41 heat days in 2024 and projects days per year by the end of the century.
Researchers link the trend to coal, oil and gas combustion and say one billion people face an extreme-heat day than in the 1970s.

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Story summary

Researchers led by Rebecca Emerton published a Nature Climate Change paper documenting a rise in heat-stress days and the expansion of zones into cool regions.
The analysis records 41 heat days in 2024 and projects days per year by the end of the century.
Researchers link the trend to coal, oil and gas combustion and say one billion people face an extreme-heat day than in the 1970s.