This project aims to bring together students from different countries to show that mathematics is not only a universal language but also a powerful tool for raising environmental awareness. Through sustainability- and green-themed activities, students will combine mathematical thinking with ecological consciousness. By collecting and analyzing environmental data from daily life, they will learn to understand nature, protect the environment, and use mathematics as a bridge that connects people across the world. To demonstrate that mathematics is a universal language. To foster environmental awareness and sustainability through mathematics. To strengthen intercultural communication and collaboration among students. To develop students’ problem-solving, analytical, and digital skills.Through this project, students will recognize mathematics not merely as a school subject but as a language for understanding nature, protecting the environment, and finding common solutions to global challenges. Mathematics will become a bridge that connects young people from different cultures in their shared goal of creating a greener future.