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.

Rainforest and Columbia campus collage banner with text "UN COP30, Belem, Brazil, Nov 10-21, 2025"

During COP30—the 2025 UN Climate Change Conference taking place November 10–21 in Belém, Brazil—experts from Columbia Climate School and Columbia University will be contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More

  • 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.