This book is a collection of research papers presented at 1st International Conference on Artificial Intelligence and Sustainable Society (AISS 2025) in Kobe, Japan, during November 28–30, 2025. It constitutes the selected excellent works and recent research trends of scholars and graduate students from AISS 2025. It covers topics such as system techniques, performance, and implementation; content creation and modeling; cognitive aspects, perception, user behavior; AI technology-aided sustainable development; interactions, interactive and responsive environments; AI applications and case studies.