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...