Carbon Cleaner
players have reached net-zero

Lead your county to
net-zero by 2050.

Carbon Cleaner is a climate strategy game. You run a fictional U.S. county and have until 2050 to get its emissions to zero, building clean energy, funding research, passing laws, and keeping voters on your side the whole way.

🏆 Hall of net-zero

The change-makers who reached net-zero, ranked by how soon they got there.

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Why Carbon Cleaner exists

Climate change is global, but it lands hardest close to home. These are real numbers from cited sources.

🌍 The global picture

  • Atmospheric CO₂ now sits near , far above the stable levels of human history.
  • Global temperatures have risen about since the pre-industrial era.
  • Humanity emits roughly from fossil fuels every year.
  • Seas have already risen since 1900.

🏘️ Your community

  • Transportation drives about of U.S. emissions, a lever local leaders actually control.
  • The average American emits about each year.
  • Extreme heat already strains across the country.
  • In Carbon Cleaner, your fictional county of 100,000 people stands in for any real community deciding its climate future.

Who created this

We built Carbon Cleaner as an AP World History civic-action project on climate change. The game is only half of it. Somewhere along the way, you'll write a real letter to a real representative. Meet us on the Team page.