Land remains a blind spot in tracking progress under the Paris Agreement due to 
lack of data comparability

Roman-Cuesta, Rosa M.; den Elzen, Michel; Araujo-Gutierrez, Zuelclady; Forsell, Nicklas; Lamb, William F.; McGlynn, Emily; Melo, Joana; Rossi, Simone; Meinshausen, Malte; Federici, Sandro; Gidden, Matthew; Keramidas, Kimon; Korosuo, Anu; Grassi, Giacomo

doi:10.1038/s43247-025-02494-9

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Land remains a blind spot in tracking progress under the Paris Agreement due to lack of data comparability

Urheber*innen

Roman-Cuesta, Rosa M.
External Organizations;

den Elzen, Michel
External Organizations;

Araujo-Gutierrez, Zuelclady
External Organizations;

Forsell, Nicklas
External Organizations;

/persons/resource/William.Lamb

Lamb, William F.
Potsdam Institute for Climate Impact Research;

McGlynn, Emily
External Organizations;

Melo, Joana
External Organizations;

Rossi, Simone
External Organizations;

Meinshausen, Malte
External Organizations;

Federici, Sandro
External Organizations;

Gidden, Matthew
External Organizations;

Keramidas, Kimon
External Organizations;

Korosuo, Anu
External Organizations;

Grassi, Giacomo
External Organizations;

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Zitation

Roman-Cuesta, R. M., den Elzen, M., Araujo-Gutierrez, Z., Forsell, N., Lamb, W. F., McGlynn, E., Melo, J., Rossi, S., Meinshausen, M., Federici, S., Gidden, M., Keramidas, K., Korosuo, A., Grassi, G. (2025): Land remains a blind spot in tracking progress under the Paris Agreement due to lack of data comparability. - Communications Earth and Environment, 6, 598.
https://doi.org/10.1038/s43247-025-02494-9

Zitierlink: https://publications.pik-potsdam.de/pubman/item/item_33011

Zusammenfassung

Land carbon fluxes are key to the Paris Agreement. However, data comparability issues persist between countries’ land greenhouse gas inventories and mitigation targets, and what land models (bookkeeping and integrated assessments) provide as Paris-aligned benchmarks for land. As a result, the Global Stocktake, aiming to track collective mitigation progress, did not explicitly consider country targets for land. This blind spot leaves countries uninformed of the 2030 gap between their ambitions for mitigation on land and models’ benchmarks. Here we track the contribution and evolution of land-related targets under countries’ 2020 Nationally Determined Contributions, splitting land pledges between reduced emissions and additional sinks. Land retains a quarter of the global mitigation pledges in 2030, mostly relying on external support (−1.5ǂ1.1 GtCO2e/yr), of which −0.55 GtCO2e/yr are additional sinks. It is crucial that future Global Stocktakes include appropriate comparisons between modelled and country-provided land use net emissions. We here offer some concrete suggestions.