Every few years, the Pacific exhales and the world's thermometers climb — but the El Niño now gathering force is something older and more instructive than a weather event. Scientists project it will claim roughly 451,000 lives from heat alone between September 2026 and February 2027, falling hardest on the tropical nations least responsible for the emissions amplifying its fury. It is, in the words of those who study it, a twenty-year preview delivered early — a glimpse of what ordinary summers will look like if the deeper emergency goes unaddressed.
Super El Niño projected to cause 450,000 deaths in next six months
An estimated 451,000 additional deaths from heat stress are projected over six months, with impacts concentrated in tropical regions and vulnerable populations including outdoor workers and the elderly.