State of the Planet

News from the Columbia Climate School

Pleistocene

  • Crater Beneath Greenland Glacier Is 58 million Years Older Than Previously Thought

    Crater Beneath Greenland Glacier Is 58 million Years Older Than Previously Thought

    Researchers discovered that a meteorite crater beneath the Hiawatha glacier is much older than previously thought, leaving questions regarding its impact on global climate. 

  • Ancestors

    Ancestors

    We are high mountain people, hunters and artists, Our view from this base camp is brilliant and clear. Cold, thin air sweeps the rocky plateau; You need a strong heart to live here.

  • Shag, Before It Was Cool

    Shag, Before It Was Cool

    More cuddly than a dino, The Zanda woolly rhino! This pioneer of old Grew shag before the cold. …

Photo of the Earth from space with the text "Lamont at AGU25" on top.

AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More

  • Crater Beneath Greenland Glacier Is 58 million Years Older Than Previously Thought

    Crater Beneath Greenland Glacier Is 58 million Years Older Than Previously Thought

    Researchers discovered that a meteorite crater beneath the Hiawatha glacier is much older than previously thought, leaving questions regarding its impact on global climate. 

  • Ancestors

    Ancestors

    We are high mountain people, hunters and artists, Our view from this base camp is brilliant and clear. Cold, thin air sweeps the rocky plateau; You need a strong heart to live here.

  • Shag, Before It Was Cool

    Shag, Before It Was Cool

    More cuddly than a dino, The Zanda woolly rhino! This pioneer of old Grew shag before the cold. …