Hoffmann, Linn J.
ORCID: https://orcid.org/0000-0003-0242-4686; Bach, Lennart T.
ORCID: https://orcid.org/0000-0003-0202-3671; Bauer, Kohen W.
ORCID: https://orcid.org/0000-0002-3426-2434; Cross, Jessica
ORCID: https://orcid.org/0000-0002-6650-9905; Ghosh, Anwesha
ORCID: https://orcid.org/0000-0003-1765-9832; Hernández-Ayón, Jose Martín
ORCID: https://orcid.org/0000-0001-6869-6225; Kvale, Karin
ORCID: https://orcid.org/0000-0001-8043-5431; Lencina-Avila, Jannine M.
ORCID: https://orcid.org/0000-0001-5800-2760; Matovu, Baker
ORCID: https://orcid.org/0000-0002-1814-5705; Shaltout, Nayrah
ORCID: https://orcid.org/0000-0003-1038-3642; Somorin, Ifeoluwa Abolade; Mafuwane, Hluphi Constance
ORCID: https://orcid.org/0009-0005-3664-0709; Van Dam, Bryce
ORCID: https://orcid.org/0000-0003-0876-1392; Allela, Abbie Akinyi
ORCID: https://orcid.org/0000-0003-4607-5748; Adell, Magak
ORCID: https://orcid.org/0009-0009-1897-3779; Anderson, Harris
ORCID: https://orcid.org/0000-0001-7023-0344; Arora, Parth
ORCID: https://orcid.org/0000-0001-9165-1201; Atamanchuk, Dariia
ORCID: https://orcid.org/0000-0002-9117-502X; Avrutin, Sandy
ORCID: https://orcid.org/0000-0002-3064-2712; Baker, Chelsey A.
ORCID: https://orcid.org/0000-0002-0840-2333; Bednaršek, Nina
ORCID: https://orcid.org/0000-0002-9177-6626; Bell, Thomas
ORCID: https://orcid.org/0000-0002-4108-7048; Bernardello, Raffaele
ORCID: https://orcid.org/0000-0003-4923-1582; Boxhammer, Tim
ORCID: https://orcid.org/0000-0002-9632-5947; Burfat, Mukhtiar Ali; Cassar, Nicolas
ORCID: https://orcid.org/0000-0003-0100-3783; Chadsey, Meg
ORCID: https://orcid.org/0009-0001-1907-4224; Chase, Zanna
ORCID: https://orcid.org/0000-0001-5060-779X; Cotovicz, Luiz C.
ORCID: https://orcid.org/0000-0002-3914-8155; Croot, Peter
ORCID: https://orcid.org/0000-0003-1396-0601; Carvalho, Andréa da Consolação de O.
ORCID: https://orcid.org/0000-0002-9159-9498; N’Yeurt, Antoine De Ramon
ORCID: https://orcid.org/0000-0002-9337-150X; Dias-Wanigasekera, Beatrice Manel
ORCID: https://orcid.org/0000-0001-7022-2889; Dillon, Wayne
ORCID: https://orcid.org/0000-0002-5561-0776; Ellwood, Michael
ORCID: https://orcid.org/0000-0003-4288-8530; Fennel, Katja
ORCID: https://orcid.org/0000-0003-3170-2331; Gattuso, Jean-Pierre
ORCID: https://orcid.org/0000-0002-4533-4114; Grabb, Kalina
ORCID: https://orcid.org/0000-0001-8771-7191; Halloran, Paul
ORCID: https://orcid.org/0000-0002-9227-0678; Howard, Will
ORCID: https://orcid.org/0000-0003-0714-9994; Jaraula, Caroline Marie B.
ORCID: https://orcid.org/0000-0003-3062-1900; Jupesta, Joni
ORCID: https://orcid.org/0000-0001-6884-2798; Karspeck, Alicia
ORCID: https://orcid.org/0009-0001-9902-869X; Keller, Elizabeth D.
ORCID: https://orcid.org/0000-0002-9408-9215; Kitidis, Vassilis
ORCID: https://orcid.org/0000-0003-3949-3802; Law, Cliff S.
ORCID: https://orcid.org/0000-0002-7669-2475; Liu, Jihua; Long, Jacki
ORCID: https://orcid.org/0000-0001-5880-0009; López-Abbate, M. Celeste
ORCID: https://orcid.org/0000-0003-0264-5833; Meléndez, Melissa
ORCID: https://orcid.org/0000-0003-3336-8226; Mengis, Nadine
ORCID: https://orcid.org/0000-0003-0312-7069; Mills, Rebecca; Möller, Klas Ove
ORCID: https://orcid.org/0000-0003-3118-2161; Munna, Abubakari H.
ORCID: https://orcid.org/0000-0001-8858-0457; Müller, Jens Daniel
ORCID: https://orcid.org/0000-0003-3137-0883; Osma, Natalia
ORCID: https://orcid.org/0000-0002-6537-8739; Palter, Jaime
ORCID: https://orcid.org/0000-0002-2656-8062; Park, Keyhong
ORCID: https://orcid.org/0009-0004-2735-2214; Pearce, Christopher
ORCID: https://orcid.org/0000-0002-4382-2341; Quintana, Cintia
ORCID: https://orcid.org/0000-0002-3022-6145; Rackley, Steve
ORCID: https://orcid.org/0000-0003-1252-5376; Rafter, Patrick
ORCID: https://orcid.org/0000-0002-6352-7593; Rengiil, Geraldine
ORCID: https://orcid.org/0009-0008-5090-7424; de Oliveira, Raquel Renó
ORCID: https://orcid.org/0000-0003-0266-8154; Ringham, Mallory
ORCID: https://orcid.org/0000-0003-4802-0185; Rohr, Tyler
ORCID: https://orcid.org/0000-0001-6599-8068; Sabine, Christopher
ORCID: https://orcid.org/0000-0001-6945-8552; Shadwick, Elizabeth
ORCID: https://orcid.org/0000-0003-4008-3333; Simancas-Giraldo, Susana M.
ORCID: https://orcid.org/0000-0002-7845-9386; Singh, Arvind
ORCID: https://orcid.org/0000-0002-3060-891X; Subhas, Adam
ORCID: https://orcid.org/0000-0002-7688-6624; Sutton, Adrienne
ORCID: https://orcid.org/0000-0002-7414-7035; Swaleh, Mariam
ORCID: https://orcid.org/0000-0002-7866-4064; Tamsitt, Veronica
ORCID: https://orcid.org/0000-0001-8816-2239; Trucco-Pignata, Pablo
ORCID: https://orcid.org/0000-0003-3996-4600; Wallace, Doug
ORCID: https://orcid.org/0000-0001-7832-3887; Wang, Yuntao
ORCID: https://orcid.org/0000-0002-1579-5948; Ward, Brian
ORCID: https://orcid.org/0000-0002-6763-5778; Xie, Yinghuan
ORCID: https://orcid.org/0000-0001-6809-1920; Zitoun, Rebecca
ORCID: https://orcid.org/0000-0001-5539-7701.
2026
Monitoring, reporting, and verification of marine carbon dioxide removal: Exploring scientific consensus and divergences across continents.
Elem Sci Anth, 14 (1).
10.1525/elementa.2025.00113
Marine Carbon Dioxide Removal (mCDR) approaches are increasingly considered for climate change mitigation as a supplement to rapid emissions reduction. However, it is still unclear if mCDR approaches could be effective, safe, and accountable. A critical requirement for mCDR to work, potentially, is robust monitoring, reporting, and verification (MRV) of greenhouse gas(es) removed through mCDR activities. MRV frameworks and protocols are currently developed in a scattered manner by individual stakeholders, so that the principles they are built upon may or may not appeal to the broader international community that is interested in the ocean commons. International agreement and consolidation on MRV for mCDR seem crucial to legitimize and validate mCDR, considering that the ocean is a globally interconnected fluid and that activities by some may affect many others. Here, we undertake a step toward consolidation of MRV by consulting the international scientific community. We established a global network of scientists organized into 6 “continental” nodes, each of which addressed the same set of MRV-related questions and whose thoughts were equally weighted in the synthesis. Our consultation shows that while there are many converging views on MRV (e.g., the importance of modeling for MRV), there are also differences in the regional MRV priorities (e.g., the importance of regional vs global models). The areas of consensus and divergence identified herein may be instrumental in the design of more widely accepted MRV frameworks, informed equally by scientists from 6 continents.
Available under License Creative Commons Attribution 4.0.
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NOC Research Groups 2025 > Global Climate
Research Groups > Marine Biogeochemistry
NOC Research Groups 2025 > Marine Biogeochemistry
NOC Mission Networks > Climate
Research Groups > Ocean Technology and Engineering
NOC Research Groups 2025 > Ocean Technology and Engineering
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