Creating an 'internet of the ocean' could be crucial for the success of carbon removal technologies.
. Increasing alkalinity by dissolving certain powdered rocks and minerals makes the ocean a chemical sponge for atmospheric CO2.
A second method adds micronutrients to the surface ocean, particularly soluble iron. Very small amounts of , or algae growth, which drives a more vigorous biologic pump. Over a dozen of these experiments have been done, so we know it works., which captures carbon at the surface through photosynthesis, then bale it and sink it to the deep ocean.unanticipated consequencesI’m not advocating for any one of these, or for ocean CDR more generally. But I do believe accelerating research to understand the impacts of these methods is essential.
You’ve talked about building an ‘internet of the ocean’ to monitor changes there. What would that involve? The ocean is changing rapidly, and it is the single biggest cog in Earth’s climate engine, yet we have almost no observations of the subsurface ocean to understand how these changes are affecting the things we care about.. Moreover, if we were to try any of these carbon removal technologies at any scale right now, we wouldn’t be able to measure or verify their effectiveness or assess impacts on ocean health and ecosystems.
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