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.

Earth Month Graphic Collage: "Our Power, Our Planet - April 2025"

The first Earth Day in 1970 ignited a movement to stop polluting our planet. This Earth Month, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.

  • 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.