Planetary Hydrogen
Planetary Hydrogen


Dartmouth, NS, Canada


11-50 employees

founded in


Planetary develops ocean-based carbon removal technology to accelerate the natural carbon cycle. Planetary’s system purifies the mountains of alkaline rock waste left behind by large-scale mining operations, extracting the alkalinity from the rubble and putting it in the ocean, thus accelerating the carbon transition and rebalancing ocean chemistry. Planetary Technologies is on a mission to remove 1 billion tonnes of carbon dioxide from the atmosphere by 2035.

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