Clouds Played an Important Role in the History of Climate - Newswise

Were Earth’s oceans completely covered by ice during the Cryogenian period, about 700 million years ago, or was there an ice-free belt of open water around th

Newswise — Viewed from space, Earth may have looked like a giant snowball during the global ice ages of the Cryogenian period. In the geosciences, this hypothesis that the oceans were completely froz… [+4820 chars]

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