State of the Planet

News from the Columbia Climate School

zero emissions

  • 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.

  • For Climate Change, Carbon Pricing is No Silver Bullet

    For Climate Change, Carbon Pricing is No Silver Bullet

    Many economists and policy experts believe carbon pricing is the most effective way to deal with global warming. But others argue that carbon pricing is not a silver bullet for dealing with climate change. Here’s why.

Colorful icons representing nature, sustainable living, and renewable energy with text "Earth Day 2026"

The first Earth Day in 1970 ignited a movement to stop polluting our planet. Today, our scientists and experts are tackling the most pressing challenges to achieve real-world impact. This Earth Day, 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.

  • For Climate Change, Carbon Pricing is No Silver Bullet

    For Climate Change, Carbon Pricing is No Silver Bullet

    Many economists and policy experts believe carbon pricing is the most effective way to deal with global warming. But others argue that carbon pricing is not a silver bullet for dealing with climate change. Here’s why.