Did ocean's big burps end last ice age?

February 12, 2015 2:55 PM

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Did ocean's big burps end last ice age?

A massive outpouring of carbon dioxide from the deep ocean may have helped end the last ice age, scientists report today.

There is strong evidence that changes in Earth's orbit set the pace of the planet's ice ages, by altering how much sunlight reaches the Northern Hemisphere. Yet, carbon dioxide levels in the atmosphere also wobble with the advance and retreat of massive ice sheets, according to observations of ice c...

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