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Potential climate engineering effectiveness and side effects during a high carbon dioxide-emission scenario

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  • David P. Keller

    (Marine Biogeochemical Modelling, GEOMAR Helmholtz-Zentrum für Ozeanforschung Kiel)

  • Ellias Y. Feng

    (Marine Biogeochemical Modelling, GEOMAR Helmholtz-Zentrum für Ozeanforschung Kiel)

  • Andreas Oschlies

    (Marine Biogeochemical Modelling, GEOMAR Helmholtz-Zentrum für Ozeanforschung Kiel)

Abstract

The realization that mitigation efforts to reduce carbon dioxide emissions have, until now, been relatively ineffective has led to an increasing interest in climate engineering as a possible means of preventing the potentially catastrophic consequences of climate change. While many studies have addressed the potential effectiveness of individual methods there have been few attempts to compare them. Here we use an Earth system model to compare the effectiveness and side effects of afforestation, artificial ocean upwelling, ocean iron fertilization, ocean alkalinization and solar radiation management during a high carbon dioxide-emission scenario. We find that even when applied continuously and at scales as large as currently deemed possible, all methods are, individually, either relatively ineffective with limited (

Suggested Citation

  • David P. Keller & Ellias Y. Feng & Andreas Oschlies, 2014. "Potential climate engineering effectiveness and side effects during a high carbon dioxide-emission scenario," Nature Communications, Nature, vol. 5(1), pages 1-11, May.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms4304
    DOI: 10.1038/ncomms4304
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    Cited by:

    1. Feng, Jing-Chun & Sun, Liwei & Yan, Jinyue, 2023. "Carbon sequestration via shellfish farming: A potential negative emissions technology," Renewable and Sustainable Energy Reviews, Elsevier, vol. 171(C).
    2. Stefano Caserini & Beatriz Barreto & Caterina Lanfredi & Giovanni Cappello & Dennis Ross Morrey & Mario Grosso, 2019. "Affordable CO2 negative emission through hydrogen from biomass, ocean liming, and CO2 storage," Mitigation and Adaptation Strategies for Global Change, Springer, vol. 24(7), pages 1231-1248, October.
    3. Judith Kreuter & Nils Matzner & Christian Baatz & David P. Keller & Till Markus & Felix Wittstock & Ulrike Bernitt & Nadine Mengis, 2020. "Unveiling assumptions through interdisciplinary scrutiny: Observations from the German Priority Program on Climate Engineering (SPP 1689)," Climatic Change, Springer, vol. 162(1), pages 57-66, September.
    4. Nadine Mengis & David P. Keller & Wilfried Rickels & Martin Quaas & Andreas Oschlies, 2019. "Climate engineering–induced changes in correlations between Earth system variables—implications for appropriate indicator selection," Climatic Change, Springer, vol. 153(3), pages 305-322, April.
    5. Wei-Lei Wang & Mar Fernández-Méndez & Franziska Elmer & Guang Gao & Yangyang Zhao & Yuye Han & Jiandong Li & Fei Chai & Minhan Dai, 2023. "Ocean afforestation is a potentially effective way to remove carbon dioxide," Nature Communications, Nature, vol. 14(1), pages 1-3, December.
    6. Yiwen Pan & Long You & Yifan Li & Wei Fan & Chen-Tung Arthur Chen & Bing-Jye Wang & Ying Chen, 2018. "Achieving Highly Efficient Atmospheric CO 2 Uptake by Artificial Upwelling," Sustainability, MDPI, vol. 10(3), pages 1-19, March.
    7. Rickels, Wilfried & Merk, Christine & Honneth, Johannes & Schwinger, Jörg & Quaas, Martin & Oschlies, Andreas, 2019. "Welche Rolle spielen negative Emissionen für die zukünftige Klimapolitik?," Open Access Publications from Kiel Institute for the World Economy 261840, Kiel Institute for the World Economy (IfW Kiel).
    8. Jim Ormond, 2020. "Geoengineering super low carbon cows: food and the corporate carbon economy in a low carbon world," Climatic Change, Springer, vol. 163(1), pages 135-153, November.

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