• Twinning · HORIZON-WIDERA-2026-02-WIDENING-01
• Twinning Bottom-Up · HORIZON-WIDERA-2023-ACCESS-02-01
• Twinning Green Deal · HORIZON-WIDERA-2023-ACCESS-02-02
• Underground Thermal Energy Storage in dense urban areas · HORIZON-CL5-2026-02-D3-22
• Understand and minimise the environmental impacts of offshore wind energy · HORIZON-CL5-2026-02-D3-08
• Understanding and avoiding maladaptation to climate change · HORIZON-CL5-2027-01-D1-10
• Understanding and managing medium and longer-term challenges and opportunities for agriculture stemming from shifting climatic zones and changing agroecological environments · HORIZON-CL6-2025-02-CLIMATE-03
• Understanding and overcoming barriers to the scale-up of innovations supporting EU Missions · HORIZON-MISS-2026-07-CROSS-02
• Understanding and tackling the decline of insects · HORIZON-CL6-2026-01-BIODIV-01
• Understanding biomass flows in Europe · HORIZON-CL6-2026-01-CIRCBIO-05
• Understanding capital market dynamics for increased investment in New European Bauhaus projects in neighbourhoods · HORIZON-NEB-2026-01-BUSINESS-02
• Understanding how infections foster and induce non-communicable diseases · HORIZON-JU-IHI-2025-11-02-two-stage
• Understanding inhabitant’s experiences of neighbourhoods to support their health and well-being · HORIZON-NEB-2026-01-PARTICIPATION-03
• Understanding of sex and/or gender-specific mechanisms of cardiovascular diseases: determinants, risk factors and pathways · HORIZON-HLTH-2026-01-DISEASE-11
• Understanding the effects of environmental exposure on the risk of paediatric, adolescent and young adult cancers · HORIZON-MISS-2025-02-CANCER-02
• Understanding the forms of local democracy in low-income and low-middle income countries · HORIZON-CL2-2026-01-DEMOCRACY-02
• Understanding the nature and the extent of the effects of PFAS on biodiversity and ecosystem services · HORIZON-NATURE-2027-01-01
• Understanding the perceptions of and improving communication on the biodiversity crisis and nature restoration benefits to sustain citizen engagement and democratic governance · HORIZON-CL6-2025-01-BIODIV-09
• UNITE Open Call 2 for Joint Interregional Projects · CASCADE-15803
• Unleashing the potential and advancing the impact of the digitalization/Artificial Intelligence of the climate-neutral bio-based value chains · HORIZON-CL6-2025-01-CIRCBIO-09
• Unleashing the potential of sustainable small-scale aquatic food production and recreational fisheries for prosperous local communities · HORIZON-CL6-2027-02-FARM2FORK-06
• Unlock the potential of the New European Bauhaus in urban food system transformation · HORIZON-CL6-2024-COMMUNITIES-01-1
• Unlocking a safe operating space for Antarctica and the Southern Ocean · HORIZON-CL6-2027-02-CLIMATE-04
• Unlocking the potential of academic intellectual assets for industry, SMEs and startups (CSA) · HORIZON-CL4-2027-01-MAT-PROD-42
• Unlocking the potential of citizen action for nature protection and restoration · HORIZON-CL6-2026-01-BIODIV-03-two-stage
• Unmanned anti-submarine and seabed warfare · EDF-2023-DA-UWW-ASW
• Unmanned systems and counter-unmanned systems · EDF-EDIP-USI-2027-LS-IRA-CUXS
• UPC-AI4CI 1st Scholarship Call · CASCADE-14962
• UPC-GREENCHIPS-EDU Scholarship · CASCADE-11265
• UPRAISE specialized learning activity/selfstanding module in the Public Administration area: “Digital Transformation, Artificial Intelligence and Virtual Worlds for Public Administration” at UNINA · CASCADE-15941
• UPRAISE: Financial Support to Third Parties (FSTP) call for International Mobility, Type of financial support: Advanced Digital Skills Scholarships for International Mobility at University of Camerino (UNICAM), Cycle 1 – Academic Year 2026/2027 · CASCADE-16281
• UPRAISE: Financial Support to Third Parties (FSTP) call for International Mobility, Type of financial support: Students Incoming, Cycle 1 – Academic Year 2026/2027 · CASCADE-16181
• UPRAISE: Financial Support to Third Parties (FSTP) call for International Mobility, Type of financial support: Students Outgoing, Cycle 1 – Academic Year 2026/2027 – Universidad Rey Juan Carlos (URJC) · CASCADE-16202
• UPRAISE: Financial Support to Third Parties (FSTP) call for International Mobility, Type of financial support: Students Outgoing, Cycle 1 – Academic Year 2026/2027 · CASCADE-16201
• Upscaling innovative payments to support farmers in the delivery of agri-environment-climate public goods · HORIZON-CL6-2025-03-GOVERNANCE-02
• Upskilling and reskilling · PPPA-2026-TOURISM-CAPACITY-BUILDING
• Uptake Acceleration Services · HORIZON-CL3-2025-01-SSRI-02
• Uptake of FAIR data management practices and of EOSC by research communities and research infrastructures (EOSC Partnership) · HORIZON-INFRA-2026-01-EOSC-01
• Uptake of Innovative Cybersecurity Solutions · DIGITAL-ECCC-2022-CYBER-B-03-UPTAKE-CYBERSOLUTIONS
• Uptake of innovative cybersecurity solutions for SMEs · DIGITAL-ECCC-2025-DEPLOY-CYBER-09-UPTAKE
• Urban nature: supporting restoration of urban ecosystems, along urban transport networks and in the built environment   · HORIZON-MISS-2027-07-CLIMA-CIT-NEB-01
• Urban-industrial symbiosis for bio-waste valorisation · HORIZON-JU-CBE-2025-IAFlag-01
• User-centric development of vehicle technologies and solutions to optimise the on-board experience and ensure inclusiveness (CCAM Partnership) · HORIZON-CL5-2023-D6-01-01
• Using captured CO2 as a resource to replace fossil hydrocarbons in industrial production · HORIZON-CL5-2025-02-D3-27
• Using Generative AI (GenAI4EU ) for Scientific Research via EOSC · HORIZON-INFRA-2025-01-EOSC-05
• Validating policies and business models for affordable and sustainable housing (Built4People Partnership) · HORIZON-CL5-2026-09-D4-04
• Validation of fluid-derived biomarkers for the prediction and prevention of brain disorders · HORIZON-HLTH-2024-DISEASE-03-13-two-stage
• VALLEYS Open Call #1 · CASCADE-16482
• Valorisation of aquatic biomass waste and residues · HORIZON-JU-CBE-2023-IAFlag-04
• Valorisation of untapped forest biomass · HORIZON-JU-CBE-2025-RIA-01
• Valorising Horizon project results via innovation ecosystems · HORIZON-BRIDGING-2027-06-02
• Value creation pilots for scaling up innovative solutions (CSA) · HORIZON-CL4-INDUSTRY-2025-01-HUMAN-63
• Vehicle-to-grid (V2G) integration – Development of national incentivising framework for the integration of Electric Vehicles as home / building energy storage, in energy communities and in national grids · LIFE-2023-PLP-CLIMA
• VIC FSTP – ISTEC Lisboa Master's Degree Scholarships 2026 – 2027 · CASCADE-17121
• VIC FSTP – UNINT Advanced Training Programme Scholarships 2026-2027 · CASCADE-16381
• Video games and immersive content development · CREA-MEDIA-2026-DEVVGIM
• Virtual Human Twin (VHT) Models for Cancer Research · HORIZON-MISS-2026-02-CANCER-01
• Virtual Human Twins (VHTs) for integrated clinical decision support in prevention and diagnosis · HORIZON-HLTH-2027-03-TOOL-04
• Virtual worlds test beds · DIGITAL-2026-AI-09-VIRTUAL-TESTBEDS-STEP
• Vocational Education and Training: Developing basic skills in Vocational Education and Training · ERASMUS-EDU-2026-POL-EXP-T07-VET-BS
• Vocational Education and Training: Improving transparency and recognition of VET qualifications · ERASMUS-EDU-2026-POL-EXP-T08-VET-QUALIFICATIONS
• Volunteering in support of humanitarian aid operations · ESC-HUMAID-2026-VOLUN
• Volunteering Teams in High Priority Areas - 2026 · ESC-SOLID-2026-VTHPA
• Vulcanus in Japan 2027-2028 - A training programme for students in engineering and other scientific fields · CASCADE-17021
• Waste-to-value devices - circular production of renewable fuels, chemicals and materials · HORIZON-EIC-2025-PATHFINDERCHALLENGES-01-04
• WATER · HORIZON-EIT-2025
• Water4All 2026 Joint Transnational Call “Sustainable water management” · CASCADE-15581
• Web 4.0 architectural framework and Open Internet Stack applications for virtual worlds (RIA) · HORIZON-CL4-2026-04-HUMAN-02
• Welfare monitoring: data driven risk assessment in fast and slower growing broilers (BROWARD) · EUBA-EFSA-2025-BIOHAW-01
• What is the long-term impact of rule of law and other European values on socio-economic outcomes? · HORIZON-CL2-2024-DEMOCRACY-01-03
• Wireless Communication Technologies and Signal Processing – Standardisation and Follow-up/PoCs · HORIZON-JU-SNS-2025-01-STREAM-B-02
• Women Innovators category · HORIZON-EIC-2025-PRIZE-WIP-WomenInnovatorsCategory
• Women Leadership Category · HORIZON-EIT-2025-PRIZE-WIP-LEADERSHIP
• Women Leadership Category · HORIZON-EIT-2026-PRIZE-WIP-LEADERSHIP
• Women Tech.EU initiative · HORIZON-EIC-2025-WOMENTECH
• Women TechEU Open Call · CASCADE-14402
• Women’s, LGBTIQ and minority rights in a context of autocracy, conflict and geopolitical shifts · HORIZON-CL2-2027-01-DEMOCRACY-02
• WoodStock Grants to support climate-smart wood construction solutions · CASCADE-13903
• Working time reduction: barriers, challenges, benefits and policy implications · HORIZON-CL2-2025-01-TRANSFO-03
• Youth-Driven Social Media Design: Safe, Inclusive, and Publicly-Owned Social Media · PPPA-2026-YOUTH-SOCIAL-MEDIA-DESIGN
• Zero-emission e-commerce and freight delivery and return choices by retailers, consumers and local authorities · HORIZON-CL5-2023-D6-01-06
• ZMINA:Resilience. Rolling call for International Showcasing of co-creation projects · CASCADE-14601
• ZMINA:Resilience. Second call for co-creation funding of international cooperation projects · CASCADE-16301