A Research Strategy for Ocean-based Carbon Dioxide Removal and Sequestration (Paperback)

As 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

General

Imprint:	National Academies Press
Country of origin:	United States
Release date:	May 2022
Authors:	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 Sequestration
Dimensions:	254 x 178mm (L x W)
Format:	Paperback
Pages:	322
ISBN-13:	978-0-309-08761-2
Categories:	Books > Earth & environment > Earth sciences > The hydrosphere > Oceanography (seas) Books > Earth & environment > The environment > Applied ecology > General Books > Earth & environment > The environment > Pollution & threats to the environment > General
LSN:	0-309-08761-9
Barcode:	9780309087612

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