… players have reached net-zero
Lead your county to
net-zero by 2100.
Carbon Cleaner is a climate-strategy game where you govern a fictional U.S. county — building clean infrastructure, funding research, passing bills, and rallying public support to scrub carbon from the sky before time runs out.
Why Carbon Cleaner exists
Climate change is the defining challenge of our generation — global in scale, but felt in every local community. The real numbers below tell the story. (Amber chips mark figures awaiting 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
Carbon Cleaner was built as an AP World History civic-action project on climate change. It pairs a strategy game with a real-world action layer: players don't just simulate change, they write to their actual representatives. Meet the team on the Team page.