Spatial justice is about equitable access to parks, housing, and more. During societal emergencies, including pandemics and climate change, the relationship between people and places requires greater attention and action to integrate the knowledge of people with lived experience, especially historically marginalized communities. On September 20 and 21, 2021, the National Academies Roundtable on Population Health Improvement hosted a virtual workshop to explore the nature, use, design of, threats, and changes to places as a resource for health and public spaces as a shared resource. This Proceedings document summarizes workshop discussions.