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Mega El Niño Events Linked to Earth's Greatest Mass Extinction

New research reveals that extreme El Niño patterns, exacerbated by volcanic activity, played a crucial role in the end-Permian mass extinction 252 million years ago.

  • The end-Permian mass extinction wiped out over 90% of marine species and 75% of terrestrial species, making it the most severe extinction event in Earth's history.
  • Scientists have long attributed this event to volcanic eruptions in Siberia, which released massive amounts of CO2, leading to rapid global warming.
  • New evidence suggests that prolonged and intense mega El Niño events caused extreme climate variability, making it impossible for most species to adapt.
  • These mega El Niños caused drastic temperature swings, widespread droughts, and severe flooding, further destabilizing ecosystems.
  • The extinction on land occurred tens of thousands of years before marine species were affected, likely due to the inability of land species to migrate quickly enough to cooler areas.
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