Extreme heat linked to record 710,000 deaths in a single year
Become an Independent member to bookmark this article Want to bookmark your favourite articles and stories to read or reference later? Start your Independent Membership today. Join today Already a member? Log in Extreme heat linked to record 710,000 deaths in a single year Rebecca Speare-Cole Wednesday 28 October 2026 10:55 GMT Bookmark popover Removed from bookmarks Close popover Related: Climate change is existential for Pacific Islanders.
This is why 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. In full Experts demand climate change be declared a global health emergency as heat-related deaths soar
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