Photo courtesy of US Geological Survey; Hawaiian Volcanoes Observatory, Hawaii Volcanoes National Park, August 10, 2002 From Live Science:
Volcanic eruptions were responsible for a deadly ice age 450 million years ago, as well as — in an ironic twist — a period of global warming that preceded it, a new study finds.
The finding underscores the importance of carbon in Earth's climate today, said study researcher Matthew Saltzman of Ohio State University.
The ancient ice age featured glaciers that covered the South Pole on top of the supercontinent of Gondwana (which would eventually break apart to form the present-day continents of the southern hemisphere). Two-thirds of all species perished in the frigid climate.
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