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How Earth’s Climate Changed Over the Past 500 Million Years

Learn more about our planet’s Hothouse and Icehouse climates.

Publish Date: 2/11/20Topic: Planet EarthPlanet EarthNova

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By Ana Aceves

Over its history, Earth has fluctuated between two climate states: Icehouses, with ice caps at at least one of the poles, and Hothouses, when there is no ice at the poles.

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