State of the Planet

News from the Columbia Climate School

Energy21

  • China, coal liquefaction, and more…

    The NYT’s Andy Revkin notes that China opened its first large-scale coal-to-liquid (CTL) facility on December 30. CTL technology, which converts coal into liquid fuel such as gasoline or diesel, has been around since the early 20th century, but has only been widely used twice – in Germany during World War II and in South…

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!

  • China, coal liquefaction, and more…

    The NYT’s Andy Revkin notes that China opened its first large-scale coal-to-liquid (CTL) facility on December 30. CTL technology, which converts coal into liquid fuel such as gasoline or diesel, has been around since the early 20th century, but has only been widely used twice – in Germany during World War II and in South…