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. …

Banner with images representing environmental issues and text "You Asked: Our Scientists and Experts Answer Your Burning Questions."

You Asked invites you to share your most pressing questions about climate, science, and sustainability. Lamont-Doherty Earth Observatory and Columbia Climate School experts will respond with clear, evidence-based answers. Pose your questions and story ideas!

  • 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. …