2025 16th International Conference on Environmental Science and Technology (ICEST 2025) to be held during November 22-24, 2025 in Sophia University, Japan. The conference is organized by Sophia University, Japan, co-organized by International Society for Environmental Information Sciences and United Nations Development Programme. ICEST 2025 is to bring together innovative academics and industrial experts in the field of Environmental Science and Technology to a common forum. Welcome scholars and researchers working in the field of Environmental Science and Technology from all over the world to attend the conference and share your experiences and lessons with other enthusiasts, and develop opportunities for cooperation.