Facts:
Urban forests are a key tool in the European Commission’s strategy for climate adaptation and sustainable urban development, especially as over 70% of the EU’s population lives in cities. Despite their many ecosystem benefits, urban trees often have a short lifespan, which limits their long-term impact. Urban forestry is a complex and multidisciplinary field, and current approaches are hindered by fragmented networks and a lack of standardised methods. The COST Action INTUF addresses these challenges by building a European network to assess and benchmark urban forests, develop science-based management strategies, and foster inclusive, cross-sectoral partnerships. A strong focus is placed on knowledge exchange, support for early career researchers, and capacity building in underrepresented countries.