The skeleton of a mammoth, one of the large mammals that roamed North America during the last Ice Age, is displayed at the Mammoth Site where numerous mammoth fossils have been excavated in Hot Springs, South Dakota, U.S. August 31, 2018. REUTERS/Will Dunham
WASHINGTON (Reuters) - Guided by ocean plankton fossils and climate models, scientists have calculated just how cold it got on Earth during the depths of the last Ice Age, when immense ice sheets covered large parts of North America, South America, Europe and Asia.
The average global temperature during the period known as the Last Glacial Maximum from roughly 23,000 to 19,000 years ago was about 46 degrees Fahrenheit (7.8 degrees Celsius), some 13 degrees Fahrenheit (7 Celsius) colder than 2019, the researchers said on Wednesday.
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