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Call key data
Climate simulations data and knowledge for optimal support of IPCC Assessments and International Policy
Funding Program
Horizon Europe: Cluster 5 - Climate, Energy and Mobility
Call number
HORIZON-CL5-2025-06-D1-01
deadlines
Opening
06.05.2025
Deadline
24.09.2025 17:00
Funding rate
100%
Call budget
€ 30,000,000.00
Estimated EU contribution per project
€ 30,000,000.00
Link to the call
Link to the submission
Call content
short description
Given the rapidly developing climate crisis, there is an increasing need for accurate, reliable, and actionable information at global to local spatial scales, and near to long timescales. This information supports a range of requirements, including policy related ones.
Call objectives
In particular, simulations and knowledge delivered that feed into the IPCC, including the Seventh Assessment Report (AR7) and later ones, should be internally coherent and well-coordinated. The modelling, setting, ensemble, and simulation design should be suited to meet societal and policy demands to support timelier European and international climate policy developments. This also implies progressing towards an operational framework to provide the best possible information for societal decision-making that brings together available approaches. The resulting simulations and analysis should sample the full spectrum of climate risks. In particular, as global mitigation efforts are presently insufficient and temperatures continue to rise, the impacts of global warming overshoot on the Earth system and the feasibility, possible pace, and implications of bringing global temperatures down in a sustainable way after an overshoot need to be explored. This analysis should also consider the risks and consequences of potential abrupt and irreversible impacts (e.g., sea level rise, changes in ocean circulation, ocean-acidification, water cycle alterations, soil alterations, aridification, species extinctions, loss of sea ice, glaciers, and ice sheets, and crossing climate and ecological tipping points).
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Expected effects and impacts
Actions should address all of the following aspects:
- Generate future global climate projections with state-of-the-art Earth System Models (ESM) which are built on the latest improvements in modelling technologies and in process understanding with a more complete representation of climate–carbon cycle feedback;
- Design climate simulations considering the socio-economic scenarios from the most up to date set of Integrated Assessment Models (IAM). Greenhouse gas emission pathways should be provided based on various societal mitigation and adaptation choices and land-use scenarios. Climate feedback should be also considered. The resulting assessment should link allowable carbon emissions with key climate targets, spanning policy relevant temporal and spatial scales;
- Deliver scenarios and simulations with different levels and durations of warming overshoot (to be selected for their policy relevance), assessing the corresponding risks accounting for fast and slow onset processes and the feasibility and limits of carbon dioxide removal methodologies;
- Update and coordinate the assumptions as well as the observational and simulated climate data sets underpinning the models and experiments of the various climate science communities (including Earth system, sectoral impacts, adaptation, and mitigation modellers) across international programmes, such as IAMC, CMIP, CORDEX and ISIMIP, optimising the interaction between them as much as possible within the same IPCC cycle;
- Design a framework to coordinate and incorporate the suite of global and regional climate projections, encompassing the range of available model resolutions and model realism, using consistent concentration and emission-driven ESMs, enhancing collaboration between European Earth system modelling and service provision, such as Copernicus and Destination Earth. This system should include cross-analysis and evaluation of the full suite of models, including approaches for sampling projection and scenario uncertainty (e.g., emulators). The framework should also make the modelling results more accessible and understandable to the practitioners and decision makers;
- Improve the existing infrastructure landscape (software, tools, data, adaptation of models to High-Performance Computing (HPC)), to support the delivery of global and regional climate projections and associated analysis (for which a part of the budget may be allocated, but not more than 30% of the total eligible costs). This should be complementary to efforts funded through the European Research Infrastructures, Euro-HPC Joint Undertaking, Digital Europe Programme and other sources. ESM simulations are intended as the core of the topic with links to other modelling activities. To maximise the policy relevance of the climate simulations delivered, the operationalisation framework and the scenarios should be developed in co-creation with policy makers (e.g., through advisory boards or other participatory procedures).
When dealing with models, actions should promote the highest standards of transparency and openness, as much as possible going well beyond documentation and extending to aspects such as assumptions, protocols, code, and data that is managed in compliance with the FAIR principles.
They should envisage clustering activities with any other relevant projects (in and outside of Horizon Europe) for cross-projects cooperation and exchange of results. Proposals should earmark the necessary resources for these purposes. As this endeavour should be supported by the research communities that continuously improve the modelling systems and related infrastructure, strong interaction and coordination is expected with the projects funded under previous calls of this Destination and other relevant projects on ESM, with the topic HORIZON-CL5-2025-03-D1-02 “Advancing Earth System Models to increase understanding of Earth system change”, and with the topic HORIZON-INFRA-2025-01-SERV-02 (area on Research infrastructure services to improve the understanding and prediction of future climate changes and its impacts).
International cooperation is encouraged, in particular with the Global South, to promote capacity and consensus building, for example, by training early career researchers from Global South countries (see specific conditions for financial support to third parties). Maximum total amount dedicated to these activities should not exceed EUR 1.000.000.
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Expected results
Project results are expected to contribute to all of the following expected outcomes:
- The institutions in charge of generating the relevant information for decision makers can access and utilise in a timely manner scientifically robust climate projections corresponding to a range of future scenarios and their corresponding greenhouse gas emission pathways, including scenarios matching the Paris Agreement targets;
- Decision makers and society can better understand the impacts, risks and implications of pathways involving different magnitudes and durations of temperature overshoot;
- The European research community provides a coordinated contribution to the IPCC and other major scientific initiatives (e.g., IPBES, WCRP, World Adaptation Science Programme (WASP), the Global Carbon Budget), in support of informing the UNFCCC process and other global, European and national climate efforts;
- The activities of international programmes and communities like the Integrated Assessment Modelling Consortium (IAMC), the CMIP, the CORDEX and Inter-Sectoral Impact Model Intercomparison Project (ISIMIP) are better coordinated between each other, with outcomes more consistent and responding to policy needs better and in a timelier manner;
- The European contribution to these programmes is supported by an improved and interconnected overarching infrastructure.
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Eligibility Criteria
Regions / countries for funding
Moldova (Moldova), Albania (Shqipëria), Armenia (Հայաստան), Bosnia and Herzegovina (Bosna i Hercegovina / Босна и Херцеговина), Canada, Faeroes (Føroyar / Færøerne), Georgia (საქართველო), Iceland (Ísland), Israel (ישראל / إِسْرَائِيل), Kosovo (Kosova/Kosovë / Косово), Montenegro (Црна Гора), New Zealand (Aotearoa), North Macedonia (Северна Македонија), Norway (Norge), Serbia (Srbija/Сpбија), Tunisia (تونس /Tūnis), Türkiye, Ukraine (Україна), United Kingdom
eligible entities
EU Body, Education and training institution, Non-Profit Organisation (NPO) / Non-Governmental Organisation (NGO), Other, Private institution, incl. private company (private for profit), Public Body (national, regional and local; incl. EGTCs), Research Institution incl. University, Small and medium-sized enterprise (SME)
Mandatory partnership
Yes
Project Partnership
To be eligible for funding, applicants must be established in one of the following countries:
- the Member States of the European Union, including their outermost regions
- the Overseas Countries and Territories (OCTs) linked to the Member States
- countries associated to Horizon Europe - see list of particpating countries
Only legal entities forming a consortium are eligible to participate in actions provided that the consortium includes, as beneficiaries, three legal entities independent from each other and each established in a different country as follows:
- at least one independent legal entity established in a Member State; and
- at least two other independent legal entities, each established in different Member States or Associated Countries.
Any legal entity, regardless of its place of establishment, including legal entities from non-associated third countries or international organisations (including international European research organisations) is eligible to participate (whether it is eligible for funding or not), provided that the conditions laid down in the Horizon Europe Regulation have been met, along with any other conditions laid down in the specific call topic.
A ‘legal entity’ means any natural or legal person created and recognised as such under national law, EU law or international law, which has legal personality and which may, acting in its own name, exercise rights and be subject to obligations, or an entity without legal personality.
other eligibility criteria
Specific cases:
- Affiliated entities (i.e. entities with a legal or capital link to a beneficiary which participate in the action with similar rights and obligations to the beneficiaries, but which do not sign the grant agreement and therefore do not become beneficiaries themselves) are allowed, if they are eligible for participation and funding.
- Associated partners (i.e. entities which participate in the action without signing the grant agreement, and without the right to charge costs or claim contributions) are allowed, subject to any conditions regarding associated partners set out in the specific call conditions.
- Entities which do not have legal personality under their national law may exceptionally participate, provided that their representatives have the capacity to undertake legal obligations on their behalf, and offer guarantees to protect the EU’s financial interests equivalent to those offered by legal persons.
- Legal entities created under EU law (EU bodies) including decentralised agencies may be part of the consortium, unless provided for otherwise in their basic act.
- International European research organisations are eligible to receive funding. International organisations with headquarters in a Member State or Associated Country are eligible to receive funding for ‘Training and mobility’ actions or when provided for in the specific call/topic conditions. Other international organisations are not eligible to receive funding, unless provided for in the specific call/topic conditions, or if their participation is considered essential for implementing the action by the granting authority.
- Joint Research Centre (JRC)— Where provided for in the specific call conditions, applicants may include in their proposals the possible contribution of the JRC but the JRC will not participate in the preparation and submission of the proposal. Applicants will indicate the contribution that the JRC could bring to the project based on the scope of the topic text. After the evaluation process, the JRC and the consortium selected for funding may come to an agreement on the specific terms of the participation of the JRC. If an agreement is found, the JRC may accede to the grant agreement as beneficiary requesting zero funding or participate as an associated partner, and would accede to the consortium as a member.
- Associations and interest groupings — Entities composed of members (e.g. European research infrastructure consortia (ERICs)) may participate as ‘sole beneficiaries’ or ‘beneficiaries without legal personality’. However, if the action is in practice implemented by the individual members, those members should also participate (either as beneficiaries or as affiliated entities, otherwise their costs will NOT be eligible.
- EU restrictive measures — Entities subject to EU restrictive measures under Article 29 of the Treaty on the European Union (TEU) and Article 215 of the Treaty on the Functioning of the EU (TFEU) as well as Article 75 TFEU, are not eligible to participate in any capacity, including as beneficiaries, affiliated entities, associated partners, third parties giving in-kind contributions, subcontractors or recipients of financial support to third parties (if any).
- Legal entities established in Russia, Belarus, or in non-government controlled territories of Ukraine — Given the illegal invasion of Ukraine by Russia and the involvement of Belarus, there is currently no appropriate context allowing the implementation of the actions foreseen in this programme with legal entities established in Russia, Belarus, or in non-government controlled territories of Ukraine. Therefore, even where such entities are not subject to EU restrictive measures, such legal entities are not eligible to participate in any capacity. This includes participation as beneficiaries, affiliated entities, associated partners, third parties giving in-kind contributions, subcontractors or recipients of financial support to third parties (if any). Exceptions may be granted on a case-by-case basis for justified reasons.
With specific regard to measures addressed to Russia, following the adoption of the Council Regulation (EU) 2024/1745 of 24 June 2024 (amending Council Regulation (EU) No 833/2014 of 31 July 2014) concerning restrictive measures in view of Russia’s actions destabilising the situation in Ukraine, legal entities established outside Russia but whose proprietary rights are directly or indirectly owned for more than 50% by a legal person, entity or body established in Russia are also not eligible to participate in any capacity. - Measures for the protection of the Union budget against breaches of the principles of the rule of law in Hungary — Following the Council Implementing Decision (EU) 2022/2506, as of 16 December 2022, no legal commitments can be entered into with Hungarian public interest trusts established under the Hungarian Act IX of 2021 or any entity they maintain. Affected entities may continue to apply to calls for proposals and can participate without receiving EU funding, as associated partners, if allowed by the call conditions. However, as long as the Council measures are not lifted, such entities are not eligible to participate in any funded role (beneficiaries, affiliated entities, subcontractors, recipients of financial support to third parties, etc.).In case of multi-beneficiary grant calls, applicants will be invited to remove or replace that entity in any funded role and/or to change its status into associated partner. Tasks and budget may be redistributed accordingly.
Additional information
Topics
Relevance for EU Macro-Region
EUSDR - EU Strategy for the Danube Region, EUSBSR - EU Strategy for the Baltic Sea Region, EUSALP - EU Strategy for the Alpine Space, EUSAIR - EU Strategy for the Adriatic and Ionian Region
UN Sustainable Development Goals (UN-SDGs)
Additional Information
Applications must be submitted electronically via the Funders & Tenders Portal electronic submission system (accessible via the topic page in the Search Funding & Tenders section). Paper submissions are NOT possible.
Applications must be submitted using the forms provided inside the electronic submission system (not the templates available on the topic page, which are only for information). The structure and presentation must correspond to the instructions given in the forms.
Applications must be complete and contain all parts and mandatory annexes and supporting documents.
The application form will have two parts:
- Part A (to be filled in directly online) contains administrative information about the applicant organisations (future coordinator and beneficiaries and affiliated entities), the summarised budget for the proposal and call-specific questions;
- Part B (to be downloaded from the Portal submission system, completed and then assembled and re-uploaded as a PDF in the system) contains the technical description of the project.
Annexes and supporting documents will be directly available in the submission system and must be uploaded as PDF files (or other formats allowed by the system).
The limit for a full application (Part B) is 50 pages.
Eligible costs will take the form of a lump sum as defined in the Decision of 7 July 2021 authorising the use of lump sum contributions under the Horizon Europe Programme – the Framework Programme for Research and Innovation (2021-2027) – and in actions under the Research and Training Programme of the European Atomic Energy Community (2021-2025). It is mandatory to submit a detailed budget table using the template available in the Submission system.
Beneficiaries may provide financial support to third parties. This support can be provided in the form of grants to researchers from the Global South countries. The maximum amount to be granted to an individual third party is EUR 60.000.
Open access to any new modules, models or tools developed from scratch or substantially improved with the use of EU funding under the action must be ensured through documentation, availability of model code and input data developed under the action.
Call documents
Horizon Europe Work Programme 2025 Cluster 5 - Climate, Energy and MobilityHorizon Europe Work Programme 2025 Cluster 5 - Climate, Energy and Mobility(2548kB)
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