Scientists solve 12,800-year-old climate mystery hidden in Greenland ice

Scientists solve 12,800-year-old climate mystery hidden in Greenland ice - Date: - March 20, 2026 - Source: - The Conversation - Summary: - A mysterious spike of platinum buried deep in Greenland’s ice has long fueled theories of a catastrophic comet or asteroid strike 12,800 years ago—possibly triggering a sudden return to icy conditions known as the Younger Dryas. But new research points to a far less dramatic, yet still powerful culprit: volcanic eruptions. Scientists found the platinum...