State of the Planet

News from the Columbia Climate School

El Niño6

  • New Study Finds World Temperatures Approaching Ancient Levels

    A new study led by James Hansen of NASA’s Goddard Institute for Space Studies, a part of The Earth Institute, finds that the world’s temperature is reaching a level that has not been seen in thousands of years. The study was published in the September 26, 2006 issue of the Proceedings of the National Academy…

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

  • New Study Finds World Temperatures Approaching Ancient Levels

    A new study led by James Hansen of NASA’s Goddard Institute for Space Studies, a part of The Earth Institute, finds that the world’s temperature is reaching a level that has not been seen in thousands of years. The study was published in the September 26, 2006 issue of the Proceedings of the National Academy…