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. 2024 Jul 24;632(8025):557–563. doi: 10.1038/s41586-024-07714-4

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© The Author(s) 2024

Open Access 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 licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence 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 licence, visit http://creativecommons.org/licenses/by/4.0/.

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Extended Data Fig. 5 — a N₂O concentration; and b CH₄ concentration. The black dots indicate the historical annual N₂O and CH₄ concentrations, as observed from ice core, firn and atmospheric measurements¹⁰¹. Lines with different colors represent the different SSP scenarios. Concentration values indicate the global mean concentration in the year of 2019 derived from the box models.