Explore the intersection of human-centered AI and sustainability in this closing keynote from the ACM Interactive Surfaces and Spaces Conference. Delve into the foundational principles of Human-Centered AI (HCAI) and discover approaches for integrating sustainability into AI development. Examine real-world examples from social robotics studies to see HCAI concepts in action. Learn about an interdisciplinary sustainable AI design methodology and its potential applications. Gain insights into interaction design, collaboration, civic robots, and the implications of these technologies for society. Understand the importance of purpose-driven design and scenario-based planning in creating sustainable AI solutions.