Volcanoes Played Pivotal Role In Ancient Ice Age, Mass Extinctio...

Courtesy ScienceDaily  Mon, 10/26/2009 - 13:15

Researchers here 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, Earth's climate was thrown off balance, and the ice age began.


 

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