El Nino and Massive Volcanic Eruptions Triggered Mass Extinction of Life 250 Million Years Ago
Strong El Niño cycles caused by massive carbon dioxide emissions may have contributed to Earth’s largest mass extinction at the end of the Permian period about 250 million years ago, according to a new study. Volcanic eruptions in what is now Siberia have released large amounts of carbon dioxide into the atmosphere and caused dramatic … Read more



