Late Cretaceous Period was likely ice-free

This item was filled under Climate
For years, scientists have thought that a continental ice sheet formed during the Late Cretaceous Period more than 90 million years ago when the climate was much warmer than it is today. Now, researchers have found evidence suggesting that no ice sheet formed at this time. This finding could help environmentalists and scientists predict what Earth's climate will be as carbon dioxide levels continue to rise....
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