Lamont-Doherty Earth Observatory
banner
lamont.columbia.edu
Lamont-Doherty Earth Observatory
@lamont.columbia.edu
Building fundamental knowledge about the origin, evolution, and future of our planet since 1949 (lamont.columbia.edu).
🧵3/3 Also featured in the film is Lamont-Doherty Earth Observatory geochemist Joerg Schaefer of the Schaefer Cosmo Lab (cosmo.ldeo.columbia.edu) and co-PI of GreenDrill (greendrill-cosmo.ldeo.columbia.edu), studying the Greenland ice sheet in our changing climate.
The Memory of Darkness, Light, and Ice OFFICIAL TRAILER
YouTube video by Metamorph Films
youtu.be
November 3, 2025 at 5:47 PM
🧵2/3 Learn more about the study co-authored by Lamont-Doherty Earth Observatory's Peteet that provided the first direct evidence that the center—not just the edges—of Greenland's ice sheet melted away in the recent geologic past.
Ancient Plant, Insect Bits Confirm Greenland Melted in Recent Geologic Past
Bits of plants and insects under thousands of meters of ice at the center of Greenland show that tundra existed there within the last million years.
news.climate.columbia.edu
November 3, 2025 at 5:47 PM