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How 'Snowball Earth' Was A Tug-Of-War


A new study by planetary scientists at Harvard offers an explanation for one of Earth’s great climate puzzles: how the Sturtian glaciation, an ancient ice age when the planet was nearly entirely frozen, could have lasted 56 million years. A large igneous province in Canada helped them figure it out.

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Snowball Earth

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Tug

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War

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