Cave Deposit Links Greenland’s and Europe’s Climate Records with a German Volcano

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Cave Deposit Links Greenland’s and Europe’s Climate Records with a German Volcano

Around 12,900 years ago, as the world was emerging from the last ice age, a sudden, dramatic period of cooling plunged Europe and North America into an icy relapse that lasted 1,300 years. The causes of this event, known as the Younger Dryas, remain elusive. Changes to ocean currents caused by the release of fresh water as ice sheets melted has been proposed as a cause, as has an extraterrestrial impact. Another hypothesis suggests that cooling …