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Contact: Richard Lewis
Brown University

The Cores Tell the Story

Caption: Sedimentary cores taken from the ocean floor in four locations show that climate patterns in the tropics have mirrored Ice Age cycles for the last 2.7 million years and that carbon dioxide has played the leading role in determining global climate patterns. Cores from site 806 were used as controls.

Credit: Timothy Herbert, Brown University

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Related news release: Carbon dioxide is the missing link to past global climate changes

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