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Volcanoes Played Pivotal Role in Ancient Ice Age, Mass Extinction


October 21, 2009

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Researchers have discovered the pivotal role that volcanoes played in a deadly ice age 450 million years ago. Perhaps ironically, these volcanoes first caused global warming by releasing massive amounts of carbon dioxide into the atmosphere. When they stopped erupting, the Earth's climate was thrown off balance, and the ice age began. Full Story

Source
Ohio State University

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