World

Record heat-related deaths in 2023, WHO-partnered report finds

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 28/10/2026, 13:32:24 UTC.

Briefings

A UN-partnered report released on October 28, 2026, states that 710,000 people died globally from heat in 2023. For the first time, over 70% of these fatalities were linked to human-caused climate change, marking a significant shift in attribution compared to previous years.

Key points

• 710,000 people died globally from heat in 2023.
• Over 70% of heat-related deaths were attributed to human-caused climate change for the first time.

Context

This report highlights a critical escalation in climate-related mortality, shifting the primary driver of heat deaths from natural variability to anthropogenic climate change, with implications for global health policy and emergency response strategies.

Limitations

The report provides an estimated 710,000 deaths but does not specify geographic distribution or age groups. Attribution to climate change is based on a single year's data, limiting the ability to assess trends over time or compare with other years.

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