Untangled the Abrupt Cooling of the Younger Dryas Event? In Greenland, the Hiawatha Glacier Hides a 31-kilometer-wide Impact Crater

In Greenland, the Hiawatha glacier hides a huge impact crater below the Ice Sheet. Regardless of its exact age, the asteroid had significant environmental consequences … The post Untangled the Abrupt Cooling of the Younger Dryas Event? In Greenland, the Hiawatha Glacier Hides a 31-kilometer-wide Impac...