To highlight quantitative and qualitative approaches to better understand perceptions and reflections of urban residents relevant to the links between environmental features discussed in Chapter 5 geographically referenced health outcomes discussed in Chapter 7. Strategies to capture what residents perceive, feel, and recommend regarding their environments include characterization of lived experiences (via surveys, focus groups, in depth interviews) as well as detailed assessments of taking place within urban contexts (via ecological momentary assessment, photovoice, ethnography). Participatory approaches that engage community members are illustrated with examples from Bogotá, Madrid, and Philadelphia.