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. 2022 Jun 24;9:361. doi: 10.1038/s41597-022-01467-3

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© The Author(s) 2022

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 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/.

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Fig. 1 — Schematic of the CO₂-USA project. The map shows the eight cities currently in the CO2-USA network (there are two measurement networks in San Francisco). (a) Workshops were held to determine community, stakeholder and policymaker needs. (b) This paper describes the harmonized multi-city dataset of atmospheric CO₂, CH₄ and CO. (c) Inventories of biospheric and anthropogenic emissions were created. (d) Updates were made to atmospheric models. (e) All of these components can be used together to create estimates of urban carbon emissions using inverse analyses. (f) These results can be presented to the community, stakeholders, and policymakers.