From pilots to practice: real-world implementation of Nature-Based Solutions in six European frontrunner regions

Despite strong policy support and growing evidence of their benefits, Nature-Based Solutions (NbS) often struggle to transition from experimental pilots to mainstream practice. Based on the LAND4CLIMATE project, this presentation brings together real-world implementation experiences from six European frontrunner regions. The HORIZON project LAND4CLIMATE advances the implementation of NbS for climate adaptation and mitigation by addressing one of the most persistent barriers in Europe: enabling NbS on privately owned land through governance, financial and capacity-building innovations. This study synthesizes achievements and lessons learned from real-world implementation activities across the project’s six frontrunner regions: County of Euskirchen in Germany, the Lafnitz river catchment in Hungary, the city of Krasna Lipa and the nature reserve of Bohemian Switzerland in Chez Republic, the region of East Emilia in Italy, the upper Timiş river in Romania, and the Rovana river basin in Slovakia. These regions face several climate risks, such as flooding, heatwaves and coastal erosion, and represent diverse European socio-economic and institutional contexts.

Across the case studies, LAND4CLIMATE has operationalized NbS in flood-prone river basins, agricultural landscapes, peri-urban zones, and mixed-ownership settings. The implementation activities combined hydrological and climate risk modelling, stakeholder co-design, landowner engagement, and tailored governance and financing arrangements. Key achievements include the co-creation of locally adapted NbS portfolios, the testing of novel incentive mechanisms for private landowners, and the integration of NbS into regional planning and risk management frameworks. Across the frontrunner regions, the implemented and operationalized measures are expected to deliver multiple co-benefits, including reductions in flood peaks, enhanced water retention capacity, improved soil functions, and strengthened local capacities for climate adaptation.

This presentation highlights cross-cutting lessons relevant for scaling NbS across Europe. First, successful implementation depends less on technical design and more on trust-building, long-term engagement and institutional alignment across sectors and governance levels. Second, flexible, place-based financing and compensation mechanisms are essential to mobilize private land for public climate benefits. Third, iterative learning between modelling, monitoring and stakeholder feedback is expected to significantly improve both the effectiveness and social acceptance of NbS interventions. Finally, frontrunner regions play a critical role as learning laboratories, providing transferable insights for follower regions while acknowledging that NbS pathways must remain context specific. By grounding its analysis in concrete implementation experiences, this presentation offers evidence-based insights into how NbS can move from policy ambition to practice, supporting climate-resilient landscapes and communities across Europe.