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.