Faced with extreme hydrological events, intensified by climate change, nature-based solutions (NbS) can be strategies to reduce risks and disasters in the urban drainage system, that is, to minimize social vulnerability and territorial threats and make cities more resilient. This chapter presents the implementation of NbS for mitigating and adapting cities to critical hydrological events (floods and overflows) and shows demonstrative cases in Brazilian cities. The chosen cases were: rain garden for rainwater absorption in public space, a partnership between community-university-town hall (Rio de Janeiro); recovery of the drainage capacity of urban rivers integrated with NbS to expand the natural drainage potential of watercourses (Curitiba); and ludic educational approaches for scientific dissemination aimed at demonstrating the relationship between rain-soil-risks/disasters and teaching water dynamics and rainwater drainage (Rio de Janeiro and Niterói). The experiences described in this chapter align ecological solutions with urban planning. Through an active, interactive, experiential, and participatory pedagogy on the theme of disasters associated with geohydrological events, education, whether in the formal or non-formal space, has a fundamental role in contributing to the awareness of different actors and, consequently, the engagement and cooperation of society in favor of a more ecologically sustainable environment.