New Article - Ocean Alkalinization Enhancement to Address Climate Change: Antacids for the Sea?

[Wil Burns]

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WIL BURNS
Co-Executive Director & Professor of Practice
Institute for Carbon Removal Law & Policy
American University

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https://www.cell.com/one-earth/fulltext/S2590-3322(20)30360-2

Antacids for the Sea? Artificial Ocean Alkalinization and Climate Change
Wil Burns
Charles R. Corbett

DOI:https://doi.org/10.1016/j.oneear.2020.07.016

There is increasing urgency for large-scale deployment of carbon-removal approaches to help avoid passing critical climatic thresholds. Given the severe risks of many terrestrial methods at extremely large scales, there is a compelling need to also assess the potential of marine negative-emissions technologies, such as artificial ocean alkalinization

Conclusion
AOA could play a role as one of many approaches to annually remove billions of tons of atmospheric CO2. But, as is true with many other CDR strategies, it remains poorly understood and underdeveloped. Governments and research institutions should dedicate more resources to assess AOA’s potential benefits, risks, and governance. Given the implications of unchecked climate change, they should act quickly to do so, and advocates should keep the pressure on until they do.
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