An inter-model assessment of the role of direct air capture in deep mitigation pathways

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dc.contributor.authorRealmonte, Giulia
dc.contributor.authorDrouet, Laurent
dc.contributor.authorGambhir, Ajay
dc.contributor.authorGlynn, James
dc.contributor.authorHawkes, Adam
dc.contributor.authorKöberle, Alexandre C.
dc.contributor.authorTavoni, Massimo
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderNational Natural Science Foundation of Chinaen
dc.date.accessioned2019-09-23T09:45:04Z
dc.date.available2019-09-23T09:45:04Z
dc.date.issued2019-07-22
dc.description.abstractThe feasibility of large-scale biological CO2 removal to achieve stringent climate targets remains unclear. Direct Air Carbon Capture and Storage (DACCS) offers an alternative negative emissions technology (NET) option. Here we conduct the first inter-model comparison on the role of DACCS in 1.5 and 2 °C scenarios, under a variety of techno-economic assumptions. Deploying DACCS significantly reduces mitigation costs, and it complements rather than substitutes other NETs. The key factor limiting DACCS deployment is the rate at which it can be scaled up. Our scenarios’ average DACCS scale-up rates of 1.5 GtCO2/yr would require considerable sorbent production and up to 300 EJ/yr of energy input by 2100. The risk of assuming that DACCS can be deployed at scale, and finding it to be subsequently unavailable, leads to a global temperature overshoot of up to 0.8 °C. DACCS should therefore be developed and deployed alongside, rather than instead of, other mitigation options.en
dc.description.sponsorshipScience Foundation Ireland (SFI-NSFC Partnership Programme Grant Number 17/NSFC/5181); National Natural Science Foundation of China (SFI-NSFC Partnership Programme Grant Number 17/NSFC/5181)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid3277en
dc.identifier.citationRealmonte, G., Drouet, L., Gambhir, A., Glynn, J., Hawkes, A., Köberle, A. C. and Tavoni, M. (2019) 'An inter-model assessment of the role of direct air capture in deep mitigation pathways', Nature Communications, 10(1), 3277. (12pp.) DOI: 10.1038/s41467-019-10842-5en
dc.identifier.doi10.1038/s41467-019-10842-5en
dc.identifier.eissn2041-1723
dc.identifier.endpage12en
dc.identifier.issued1en
dc.identifier.journaltitleNature Communicationsen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/8589
dc.identifier.volume10en
dc.language.isoenen
dc.publisherSpringer Nature Publishing AGen
dc.relation.urihttps://www.nature.com/articles/s41467-019-10842-5
dc.rights©The Author(s) 2019. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.en
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectInter-model assessmenten
dc.subjectDirect air captureen
dc.subjectDeep mitigation pathwaysen
dc.subjectDirect Air Carbon Capture and Storage (DACCS)en
dc.titleAn inter-model assessment of the role of direct air capture in deep mitigation pathwaysen
dc.typeArticle (peer-reviewed)en
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