Limited understanding of basic ocean processes is hindering progress in marine carbon dioxide removal, with the on-going commercialization of some approaches 'premature and misguided.'
Limited understanding of basic ocean processes is hindering progress in marine carbon dioxide removal, with the on-going commercialization of some approaches"premature and misguided."
However, the researchers argue that new methods are being proposed regularly with insufficient checks or balances. This is particularly true for ocean-based CDR, now attracting greater interest as the constraints on land-based methods become apparent. "Such upscaling brings other ocean processes into play that could cancel out the effectiveness of the proposed CDR approach. In each case, misunderstanding and knowledge gaps affect the credibility of carbon offset schemes."
"There is a need for better communication of the basic criteria for CDR viability using marine processes. Safety, durability, verifiability and scalability should be used to prioritize relevant R&D funding by governments, as well as providing checks and balances for policymakers."
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