The Mediterranean region faces severe and interconnected socio-ecological challenges, with water scarcity at the center. Increasing droughts, declining water availability, deteriorating water quality, and biodiversity loss are putting growing pressure on the water–energy–food–ecosystems (WEFE) nexus. These pressures are intensified by climate change, urbanization, and socio-economic disparities, weakening resilience across rural and urban communities.

In Lebanon (Akkar), water pollution and insufficient wastewater treatment affect both agriculture and ecosystems, despite promising pilot experiences with constructed wetlands elsewhere in the country. In Crete, agroforestry systems face water stress and soil degradation, even though regenerative water-harvesting and planting approaches have shown strong potential. In Egypt, particularly in Cairo’s rapidly expanding urban areas, rising temperatures and limited water reuse create urgent sustainability challenges. While Nature-Based Solutions (NBS) have demonstrated feasibility in all three contexts, their wider adoption remains constrained by fragmented governance, limited monitoring and evaluation, weak business models, and insufficient policy integration.

FLOW4Med responds by scaling and integrating NBS to strengthen water security and ecosystem resilience across these diverse Mediterranean settings. The project demonstrates a constructed wetland for water treatment and reuse in Akkar, ecosystem regeneration for water retention in Crete, and hybrid green-grey urban infrastructure for cooling and water reuse in Cairo. These solutions are technically refined and validated under real-world conditions, while Living Labs ensure strong stakeholder engagement through co-design, participatory monitoring, and capacity building. Combined with impact modelling, policy recommendations, and replication strategies, FLOW4Med aims to enable broader and more sustainable uptake of NBS across the region.

Hudara serves as Living Lab Coordinator, leading participatory processes and stakeholder engagement across the demonstration sites. Hudara ensures that technical solutions are socially embedded and context-sensitive, supports participatory monitoring and capacity-building activities, and strengthens collaboration between Mediterranean partners to promote long-term adoption and impact.