Careful analysis reveals that the global uptake of anthropogenic carbon dioxide emissions by carbon sinks has doubled during the past 50 years — but the fractions of this absorbed by land and by sea remain unclear. See Letter p.70
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Levin, I. The balance of the carbon budget. Nature 488, 35–36 (2012). https://doi.org/10.1038/488035a
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DOI: https://doi.org/10.1038/488035a