Comment by lefra

The ocean has already absorbed 30% of the CO2 humanity has emitted. It causes issues: ocean acidity rises, which reduces plankton ability to grow. Plankton being the base of the ocean food chain, all ocean life gets impacted.

You'd need to find a way to sequester carbon without it leaching in the water.

https://marine.copernicus.eu/ocean-climate-portal/ocean-carb...