OPERANDUM will deliver the tools and methodologies as well as validated NBS to enhance resilience in European rural and natural territories through the reduction of hydro-meteorological risks while providing innovation and strategic plan for their up-scaling and replication.

Extreme weather events as a result of climate change are having a high impact in European territories and are of global concern. Nature-based approaches can offer sustainable solutions to cope with climate change mitigation and adaptation challenges. However, the employment of nature-based solutions (NBS) for the mitigation of hydro-meteorological phenomena is not adequately demonstrated and still uncoordinated at the European level. Therefore, it is not reaching its full potential. This is where the OPERANDUM project comes in.

OPERANDUM aims to reduce hydro-meteorological risks in European territories through co-designed, co-developed, deployed, tested and demonstrated innovative green and blue/grey/hybrid Nature-Based Solutions (NBS), and push business exploitation. It aims provision of science-evidence for the usability of NBS and best practices for their design based on participatory processes. It foresees a multiple level of stakeholder engagement from the local community up to the international level to leverage widest possible NBS acceptance to promote its diffusion as a good practice. Moreover, the project establishes the framework for the strengthening of NBS-based policies according to local legislation and promotes technology and innovation in NBS to create a European leadership.


  • Integrate knowledge about NBS efficacy against hydrometeorological risks;
  • Strengthen technology innovation in the area of NBS;
  • Improvement of acceptance of NBS based implementation;
  • Enhancement of market demand and increase of competitiveness of NBS;
  • Strengthening the adoption of NBS in national policies for DRR land planning, EIP Water.


  • The mainstreaming of NBS in land use planning
  • Development of an integrated EU-wide evidence base and a European reference framework on NBS
  • Enhanced market demand for NBS for hydro-meteorological risk reduction and climate change adaptation
  • Improved disaster risk management
  • Enhanced implementation of EU policies for disaster risk prevention and reduction
  • Contribution to the priorities of the EIP Water
  • Implementation of the Sustainable Development Goals (SDGs) 13: climate action and 15: life on land.

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Operandum project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 776848