Ancient leaves preserved under a mile of Greenland's ice – and lost in a freezer for years – hold lessons about climate change
- Written by Andrew Christ, Postdoctoral Fellow and Lecturer in Geology, University of Vermont
Remnants of ancient Greenland tundra were preserved in soil beneath the ice sheet.Andrew Christ and Dorothy Peteet, CC BY-NDIn 1963, inside a covert U.S. military base in northern Greenland, a team of scientists began drilling down through the Greenland ice sheet. Piece by piece, they extracted an ice core 4 inches across and nearly a mile long....