Strongest El Niño Threatens Global Ecosystems
Strongest El Niño Threatens Global Ecosystems
US · Published Oct 21, 2026
• The current El Niño event, described as 'unprecedented' by Britain's Met Office and the strongest ever observed by Japan's weather agency, is causing widespread disruptions globally.
• This natural phenomenon, which occurs every two to seven years, is marked by unusually warm sea temperatures in the Eastern Pacific Ocean.

Impact & Risks

The effects of this El Niño are being felt across multiple regions. In El Salvador, drought conditions have left livestock starving, while heavy rains in Argentina have caused flooding and evacuations. Coral reefs face increased bleaching risks, with 44% of reef-building species now threatened with extinction. Forest fire risks are rising in Central Africa and tropical regions. Additionally, extreme weather linked to El Niño is exacerbating poverty risks globally, particularly in Sudan and Sri Lanka, where food security and economic recovery are under threat. These impacts highlight the vulnerability of ecosystems and communities to climate variability.

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