Conflicting methodologies for estimating the CO2 intensity of the space sector are beginning to emerge because of a lack of publicly available data, resulting in extensive variations that undermine the credibility of reported results.
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The author declares no competing interests.
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Wilson, A.R. Estimating the CO2 intensity of the space sector. Nat Astron 6, 417–418 (2022). https://doi.org/10.1038/s41550-022-01639-6