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Planetary Technologies
Ocean / CDR GeoengineeringActiveCanadian company commercializing ocean alkalinity enhancement (OAE). Plans to dump 450 tonnes of magnesium hydroxide into St Ives Bay, Cornwall, UK. Sells carbon credits based on unproven ocean carbon capture.
Key Facts
- Developing 'SeaOH2' ocean alkalinity enhancement technology — aims to mimic natural weathering at industrial scale
- Plans to dump 450 tonnes of magnesium hydroxide into St Ives Bay, Cornwall, UK
- Sells carbon credits based on ocean-based carbon removal that no independent study has verified as permanent
- One of the most advanced commercial OAE companies