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Check out our podcast Eons: Mysteries of Deep Time: http://ow.ly/2J4450Iu69U

Imagine an enormous, lush rainforest teeming with life...in the Arctic. Well, there was a time -- and not too long ago -- when the world warmed more than any human has ever seen. (So far)

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Produced for PBS Digital Studios.

Special thanks to Nobumichi Tamura for allowing us to use his work:
http://spinops.blogspot.com/

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