State of the Planet

News from the Columbia Climate School

hydrogen fuel cell car

  • Why We Need Green Hydrogen

    Why We Need Green Hydrogen

    Hydrogen produced with renewable energy can provide clean power in the industries that are hardest to wean off of fossil fuels.

  • Turning Sunlight into Fuel

    Turning Sunlight into Fuel

    The world uses little more than one percent of the sun’s energy for our electricity needs. A major obstacle to tapping into its full potential is that it is intermittent. Solar fuels could one day store, transport and use solar energy to produce electricity and replace fossil fuels in vehicles.

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!

  • Why We Need Green Hydrogen

    Why We Need Green Hydrogen

    Hydrogen produced with renewable energy can provide clean power in the industries that are hardest to wean off of fossil fuels.

  • Turning Sunlight into Fuel

    Turning Sunlight into Fuel

    The world uses little more than one percent of the sun’s energy for our electricity needs. A major obstacle to tapping into its full potential is that it is intermittent. Solar fuels could one day store, transport and use solar energy to produce electricity and replace fossil fuels in vehicles.