This Seattle-area startup just raised $600K to capture carbon and turn it into graphite

Lisa Stiffler on March 17, 2025 | GeekWire

Sustainable tech startup Homeostasis is capturing carbon in a form that the world has too much of — atmospheric CO₂ gas — and transforming it into a highly desired crystalline carbon called graphite.

The Seattle-area company today announced a $600,000 pre-seed investment round. In September, the Washington State Department of Commerce awarded the startup $700,000 from the state’s Climate Commitment Act.

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