This lecture focuses on urban interventions at the street level, addressing localized issues and projects that impact the daily lives of city dwellers of all social categories and ages. It emphasizes the importance of attention to detail and care in these operations, which play a crucial role in shaping the quality of urban life and fostering a sense of community. The lecture also explores innovative approaches such as transitional urbanism, which aim to promote active mobility and sustainable urban development, highlighting the significance of incorporating green spaces in urban projects.