CLAIMA

CLIMATE AI MODELLING AND ANALYSIS

CLAIMA will build an Artificial Intelligence (AI)-driven climate digital twin platform that delivers fast, high-resolution and trustworthy climate simulations for science, industry and policy. It will integrate three strands of climate AI (emulators of physics-based models, deep learning downscaling, and emerging foundation models) within a modular, standards-based system that follows FAIR (Findable, Accessible, Interoperable and Reusable) data and principles of open application programming interfaces (APIs). Rigorous evaluation, provenance tracking and uncertainty quantification will ensure scientific integrity at every stage. The platform will orchestrate end-to-end workflows across EuroHPC systems and European AI Factories, while interoperating seamlessly with Destination Earth. 

The project has three main objectives. First, CLAIMA will adapt and validate state-of-the-art AI climate models against observations and high-fidelity simulations, creating engines that are both fast and reliable. Second, it will engineer a modular and interoperable digital twin platform to support training, inference, evaluation and user access across Europe’s research infrastructures. Third, it will demonstrate the value in real-world climate applications, through use cases co-designed with stakeholders. The system will combine a robust web-based interface with a natural-language assistant, with clear communication of AI use, limits and impacts.

The project will establish best practices for AI model generation and data fusion, demonstrate interoperability with DestinE, and enable innovative applications in key impact sectors. By providing a durable European infrastructure for climate AI, CLAIMA will accelerate scientific discovery, support climate adaptation, and strengthen Europe’s global leadership in trustworthy digital twins. CSC brings expertise in climate digital twins, AI and high-performance computing to build the digital twin platform. CSC’s contribution supports the development of sustainable, user-oriented services that make advanced climate modelling more accessible across Europe.