How, exactly, is this amazing for the environment? what would be amazing for the environment is for people to just stop buying stuff they don't need, ESPECIALLY plastics. Furthermore, there are several major research efforts going on right now that use catalysts to reduce CO2 to CH4, without the need for nuclear reactors in the ocean. It takes a tremendous amount of energy to convert carbon dioxide to methane. If it can be done with catalysts, then perhaps we'll have something. It's not about cost-effectiveness. It's about ENERGY-effectiveness. This article reads like a call for investment in a very risky and expensive business. Building reactors under the sea? Can be done, but why? I'd like to see you write a review of all the current methods of converting CO2 to CH4, rather than promote the most expensive and risky one.

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