2025 9th International Conference on Renewable Energy and Environment (ICREE 2025) will be held in Sapporo, Japan on September 13-15, 2025. It delightfully welcomes all the researchers and developers to share their experience and ideas through research talks and presentations from diverse fields in renewable energy and environment. This event offers a platform in bringing together a forum for students, postdocs and established scientists to exchange their ideas and contribute an integrative approach to renewable energy and environment. The scopes of ICREE 2025 include Wind Energy Applications, Technology and System Aspects, Wind Resources Environmental Impact, Machines and Wind Farms, Hydropower Applications, etc.