The 2025 2nd International Conference on Materials Sciences and Mechatronics for Sustainable Energy and the Environment (MSMS2E 2025) will be held on October 1-3 in Béni-Mellal, Morocco. MSMS2E 2025 is to bring together innovative academics and industrial experts in the fields of energy, mechatronics, embedded systems, environment, and materials science in a common forum. The main goal of the conference is to promote research and developmental activities in energy, mechatronics, environment, and materials science, and another goal is to promote scientific information interchange between researchers, developers, engineers, students, and practitioners working all around the world. The conference will be held every year to make it an ideal platform for people to share views and experiences in materials sciences and mechatronics for sustainable energy, the environment, and related areas.