The 16th Eco-Energy and Materials Sciences and Engineering Symposium (EMSES 2025) is a premier international academic conference organized by Kyoto University. The EMSES 2025 will provide a forum for researchers, engineers and industry experts to discuss recent development, new ideas and breakthroughs in Eco-Energy and Materials Sciences and Engineering technologies. Topics interest for EMSES 2025 are materials science and nano technology, energy technology, environmental science, energy society and sustainability, electric vehicle technology, carbon capture and utilization (CCU), nuclear technology, and related topic in material and energy.