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OverviewAs of 2021, atmospheric carbon dioxide levels have reached historically unprecedented levels, higher than at any time in the past 800,000 years. Worldwide efforts to reduce emissions by creating a more efficient, carbon-free energy system may not be enough to stabilize the climate and avoid the worst impacts of climate change. Carbon dioxide removal (CDR) strategies, which remove and sequester carbon from the atmosphere, likely will be needed to meet global climate goals. The ocean, covering 70% of the Earth's surface, includes much of the global capacity for natural carbon sequestration; the ocean also holds great potential for uptake and longerterm sequestration of human-produced CO2. This report builds on previous work from the National Academies to assess what is currently known about the benefits, risks, and potential for responsible scale-up of six specific ocean-based CDR strategies as identified by the sponsor, ClimateWorks Foundation. It describes the research needed to advance understanding of those approaches and address knowledge gaps. The resulting research agenda is meant to provide an improved and unbiased knowledge base for the public, stakeholders, and policymakers to make informed decisions on the next steps for ocean CDR, as part of a larger climate mitigation strategy; it is not meant to lock in or advocate for any particular approach. Table of Contents Front Matter Summary 1 Introduction 2 Crosscutting Considerations on Ocean-based CDR R&D 3 Nutrient Fertilization 4 Artificial Upwelling and Downwelling 5 Seaweed Cultivation 6 Recovery of Marine Ecosystems 7 Ocean Alkalinity Enhancement 8 Electrochemical Engineering Approaches 9 Synthesis and Research Strategy References Acronyms and Abbreviations Appendix A: Committee Biographies Appendix B: Workshop and Meeting Public Presentations to the Committee Full Product DetailsAuthor: National Academies of Sciences, Engineering, and Medicine , Division on Earth and Life Studies , Ocean Studies Board , Committee on A Research Strategy for Ocean-based Carbon Dioxide Removal and SequestrationPublisher: National Academies Press Imprint: National Academies Press ISBN: 9780309087612ISBN 10: 0309087619 Pages: 322 Publication Date: 25 May 2022 Audience: Professional and scholarly , Professional & Vocational Format: Paperback Publisher's Status: Active Availability: In Print This item will be ordered in for you from one of our suppliers. Upon receipt, we will promptly dispatch it out to you. For in store availability, please contact us. Table of ContentsReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |