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Why is ocean fertilization not taken more seriously as a climate change solution?
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this post was submitted on 25 Feb 2024
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I apologize because I don't have a source in mind, but my recollection from studying this in grad school (which was admittedly about a decade ago) was that sequestration was one of the hardest parts of this. Creating a bloom of algae was feasible, but even if we ignore a lot of other ecosystem management complications that others have pointed out, there wasn't a reliable mechanism to convert a bloom of algae into a long-term carbon store.
I could be mistaken here. I'm open-minded towards this kind of geoengineering. But I'm also very skeptical that if this could work, it could do so at a rate that would enable us to continue burning fossil fuels at scale, and there is a strong base of support for this technology among people with that attitude.
Yup, we already know what we should be doing, stop using fossil fuels. The IPCC took into account carbon sequestration in their models, they said we should invest in renewable energies and eco-sufficiency (not sure if it's the right word, but they chose "sobriété" un french)