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Environment & Climate

Current El Niño could drive 451,000 additional heat deaths, report projects

A Climate Impact Lab study estimates severe global heat tolls, primarily across the Global South.

The short version

  • A study by the Climate Impact Lab estimates that 451,000 additional heat-related deaths could occur during the current El Niño compared to an average year.[CBS News · Al Jazeera]
  • The highest impacts are forecast in Global South countries, including Nigeria, Indonesia, Sudan, Niger, and Chad.[CBS News · Al Jazeera]
  • The World Meteorological Organization warned the ongoing weather pattern could become the strongest on record and peak late in 2026.[CBS News]
  • Some experts question the exactness of the regional distribution projections, while others consider the total conservative because it excludes indirect disasters.[Al Jazeera]

Key facts

  • The Climate Impact Lab projects 451,000 excess heat-related deaths between June 2026 and February 2027 under the current El Niño.[CBS News · Al Jazeera]
  • Nigeria, Sudan, Niger, and Chad are estimated to record over 65,000 excess heat-related deaths combined.[CBS News · Al Jazeera]
  • The Philippines, Vietnam, Thailand, Cambodia, and Indonesia are expected to collectively record nearly 40,000 heat-related deaths.[CBS News · Al Jazeera]
  • The World Meteorological Organization forecast that this El Niño could become the strongest on record and reach peak intensity toward late 2026.[CBS News]
  • The U.S. Climate Prediction Center expects the El Niño pattern to persist through the Northern Hemisphere winter and potentially last into spring.[CBS News]

What remains uncertain

  • Some scientific experts have expressed skepticism regarding the specific regional distribution figures and exact death tolls, noting potential methodological subjectivity.[Al Jazeera]

Sources

Outlet counts describe coverage, not independent confirmation. Reports may share a wire service or original source.