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HORIZON-CL5-2026-08-Two-Stage-D1-06

Closing knowledge gaps on Earth system science in support of global and regional assessments and climate policy

RIA Cluster 5 €45,000,000 15 Apr 2026
Topic CodeHORIZON-CL5-2026-08-Two-Stage-D1-06F&T Portal
Call IdentifierHORIZON-CL5-2026-08Call 08 — two-stage (2026)
InstrumentHORIZON-RIAResearch and Innovation Action
Budget ModelLump SumHORIZON-AG-LS
Funding Rate100%Annex G — RIA = 100%
Page Limit (Part B)10 pages (Stage 1)Stage 2: 45 pages (RIA + lump sum)
Evaluation Thresholds3 / 3 / 3 · cum. 10Stage 1: 4/4 (Excellence, Impact only)
Expected Projects7(WP stated)
DestinationClimate sciences and responses for the transformation towards climate neutralityWP Part 8
Cluster / PillarCluster 5 / Pillar IIClimate, Energy and Mobility
China EligibilityExcluded ▵D1 destination excludes RIA and IA
Special ConditionsTwo-stage (Stage 1)Blind evaluation — 15 Apr 2026
Verify: Open this topic on the F&T Portal →  ·  Sources: General Annexes 2026-2027, WP Part 8
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This is a two-stage topic (Stage 1). Stage 1 deadline: 15 April 2026. Stage 1 page limit: 10 pages. Stage 2 deadline: 08 October 2026. Stage 2 page limit: 45 pages. Blind evaluation applies to Stage 1 — do not include identifying information.
China: entities excluded. Legal entities established in China are not eligible to participate in both Research and Innovation Actions (RIAs) and Innovation Actions (IAs) falling under this destination. MIIT-linked universities are excluded regardless of instrument. Source: WP Part 8, Destination 1.
Copernicus/Galileo: If the project uses satellite-based earth observation, positioning, navigation and/or related timing data and services, beneficiaries must make use of Copernicus and/or Galileo/EGNOS (other data and services may additionally be used).

Expected Outcomes

  1. Improved quality and reduced uncertainty of global and regional climate change projections;
  2. Critical knowledge and data gaps in Earth system science as identified in the IPCC Sixth Assessment Report (AR6) and other authoritative sources, are addressed, ensuring that future climate assessments are grounded in the most comprehensive and up-to-date scientific evidence;
  3. New climate science evidence is generated that is relevant for policy needs and for informing climate action.

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