This factsheet explores how implementing Nature-based Solutions (NbS) in cities can be a more financially viable alternative to conventional approaches. By outlining inspiring NbS case studies, this facthseet lists possible options for municpalities to fund NbS in order to address societal challenges and to contribute to human well-being. Thus, it aims to provide municipalities with concrete pathways and advice from sucess-stories to systematically ensure financial viability when implementing NbS in cities.