SeaO2

SeaO2 develops and operates electrochemical Direct Ocean Capture (DOC) technology that extracts CO₂ directly from seawater using only renewable electricity and seawater. Their process uses electrochemistry and vacuum to alter the carbonate equilibrium in ocean water, enabling CO₂ extraction in gas form which can then be permanently stored in geological formations or converted into products like mineralized concrete. The company offers both carbon dioxide removal (CDR) services where CO₂ is permanently sequestered underground, and carbon utilization options where the removed carbon is converted into chemicals or fuels.

Founded in 2021, SeaO2 emerged from technology originally developed in laboratories at Delft University of Technology and Wetsus. The company's mission is to safeguard the planet by combatting global warming through actively reducing CO₂ concentration in both oceans and the atmosphere. Their approach is driven by the principle that "it is easier to extract CO₂ from water than from the air," as explained by their Scientific Co-founder David Vermaas.

SeaO2's technology addresses multiple environmental challenges simultaneously, making it a significant player in climate solutions. Beyond carbon removal, their process helps deacidify oceans by restoring pH levels and promoting marine biodiversity, while the decarbonized water they return to the ocean can re-absorb CO₂ from the atmosphere. The company positions their technology as affordable and gigaton-scalable, leveraging the ocean's natural carbon removal power to create meaningful climate impact.