DOE Hanford Site (Richland WA) — former plutonium-production complex, now the largest environmental cleanup in the US; the atomic legacy of the Tri-Cities.

OCOchem is a Richland, Washington-based company pioneering CO2 electrolysis technology to convert recycled CO2, water, and clean electricity into hydrogen formate and other organic molecules. The company's approach mirrors natural photosynthesis for carbon conversion and energy storage. In August 2025, OCOchem announced a production partnership with ADM to build a CO2 conversion facility.