Super El Niño could cause 451,000 excess deaths worldwide

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A 'super El Niño' weather phenomenon could cause up to 451,000 additional heat-related deaths globally between now and February 2027. Researchers highlight Nigeria, Indonesia, and Sudan as particularly vulnerable, with extreme heat days expected to increase by 44%.

Extreme heat linked to this year’s “super El Niño” could cause up to 451,000 excess deaths worldwide in the six months to February 2027, according to researchers at the University of Chicago’s Climate Impact Lab. The number of extremely hot days is expected to rise by 44%, with Nigeria, Indonesia and Sudan among the countries likely to be most affected. Researchers warn that the impact could extend well beyond the six-month period studied. Chloe Brimicombe, a climate scientist from the University of Oxford, shares further details about this climate phenomenon.