Dramatic climate change triggered by Earth's orbit

Changes in the Earth's axis of rotation and its orbit around the Sun may have triggered a series of sudden, extreme global warming events 55 million years ago, by beginning a thaw of permafrost.

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Source: http://www.cosmosmagazine.com/news/5488/dramatic-climate-change-altered-earths-orbit

Eliza Dushku Emilie de Ravin Emma Heming Emma Stone Emma Watson Emmanuelle Chriqui Emmanuelle Vaugier Emmy Rossum