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Oceans play a pivotal role in the global carbon cycle, absorbing about a quarter of CO2 emissions. Ocean-based carbon dioxide removal (#CDR) technologies have the potential to enhance the ocean's inherent carbon sequestration capability and help us get to gigaton scale.
A recent report by the World Resources Institute looks at the deployment of different ocean-based technologies and what ecological and social impacts these could have at scale. Like with any other CDR technology, we need to compare the potential risks of deployment with the climate benefits of the intervention.
The report considers the potential of seven key ocean-based CDR technologies which I have compared in this graphic. Due to the very nature of ocean governance, current international and national governance structures are ill-equipped to regulate ocean-based CDR effectively. There's a demand for more robust international governance, transparent information access, and equitable participation in public policy and benefit-sharing.
🔗 This report and resource is really worthwhile if you want to dive deeper into Ocean CDR.
👏Huge shout out to the authors Katie Lebling, Eliza Northrop, Colin McCormick and Liz Bridgwater.
❓What is your take on ocean-based carbon removal?
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