State of the Planet

News from the Columbia Climate School

ancient history

  • Climate and Conquest: How Did Genghis Khan Rise?

    Climate and Conquest: How Did Genghis Khan Rise?

    Eight hundred years ago, relatively small armies of mounted warriors suddenly exploded outward from the cold, arid high-elevation grasslands of Mongolia and reshaped world geography, culture and history in ways that still resound today. How did they do it?

  • In Log Coffins, First Glimpses of a Mysterious Asian People

    In Log Coffins, First Glimpses of a Mysterious Asian People

    The group traveled by boat, motorcycle and finally by foot through the forest to reach cliffs where burials lay. At one site, 20 feet off the forest floor was a ledge protected by an overhang, where lay a row hollowed-out logs, along with ceramic jars.

  • At the Bottom of the Bottom of the World

    At the Bottom of the Bottom of the World

    As we in North America emerge from a remarkably mild winter, the brief and sunny summer in the world’s deep south is drawing to a rapid close. Antarctica’s days are becoming shorter, and come the vernal equinox the South Pole will enter into its yearly hibernation—six months of dusk and night. Researchers from Columbia University…

Blue banner with kids and Earth photos. Text: "Lamont-Doherty Earth Observatory Open House, Saturday, October 17, 2026, 10am-4pm.

On Saturday, October 17, 2026 from 10am to 4pm, Lamont-Doherty Earth Observatory Open House—our biggest, best science fun and discovery event of the year—will take place on our beautiful campus in Palisades, NY. Mark your calendar and join us for this free, family-friendly celebration of science! RSVP Today!

  • Climate and Conquest: How Did Genghis Khan Rise?

    Climate and Conquest: How Did Genghis Khan Rise?

    Eight hundred years ago, relatively small armies of mounted warriors suddenly exploded outward from the cold, arid high-elevation grasslands of Mongolia and reshaped world geography, culture and history in ways that still resound today. How did they do it?

  • In Log Coffins, First Glimpses of a Mysterious Asian People

    In Log Coffins, First Glimpses of a Mysterious Asian People

    The group traveled by boat, motorcycle and finally by foot through the forest to reach cliffs where burials lay. At one site, 20 feet off the forest floor was a ledge protected by an overhang, where lay a row hollowed-out logs, along with ceramic jars.

  • At the Bottom of the Bottom of the World

    At the Bottom of the Bottom of the World

    As we in North America emerge from a remarkably mild winter, the brief and sunny summer in the world’s deep south is drawing to a rapid close. Antarctica’s days are becoming shorter, and come the vernal equinox the South Pole will enter into its yearly hibernation—six months of dusk and night. Researchers from Columbia University…