Extreme heat linked to record 710,000 deaths in a single year

EnvironmentHealth & Fitness
28 Oct 2026 • 6:55 PM MYT
The Independent
The Independent

The world’s most free-thinking newspaper

Extreme heat linked to record 710,000 deaths in a single year

  • Experts have called for climate change to be officially declared a global health emergency as the health impacts of global warming outstrip international action.
  • The latest Lancet Countdown report revealed that global annual heat-related fatalities surged by nearly 36 per cent in the decade following the 2015 Paris Agreement.
  • Extreme heat contributed to a record 710,000 deaths in 2023, with researchers directly attributing more than 70 per cent to man-made climate change.
  • Despite clean energy funding reaching record levels in 2025, fossil fuels still provide over 80 per cent of world energy.
  • Researchers warned that the top 100 oil and gas producers are on track to surpass production limits compatible with 1.5C by 150 per cent by 2040.

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