Better understanding and attribution of land and ocean carbon sources and sinks

In short

This is a Research and Innovation Action under Horizon Europe. The budget is €25 million for about 5 grants of €5 million each. It is paid as a lump sum, so you report results instead of costs. Submission opens on 17 November 2026. Deadline: 4 March 2027.

What the call wants to achieve

• Better understanding of oceanic carbon dioxide (CO 2 ) sources and sinks, their drivers and dynamics under different climate scenarios, including their responses to human interventions
• Better understanding of land ecosystem CO 2 sources and sinks, their drivers (both natural and anthropogenic) and their evolution under future climate and land-based mitigation scenarios
• Progress on reconciling estimates of anthropogenic CO 2 emissions and removals from land originating from the climate science and national emissions reporting communities
• More consistent representation and quantification of lateral transfers of carbon.

Source: EU Funding & Tenders Portal, © European Union, CC BY 4.0, summarised. The official call text and its annexes decide eligibility, budget and deadlines.

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