CMAS, or the Confédération Mondiale des Activités Subaquatiques, is an international organization dedicated to promoting underwater activities such as diving, snorkeling, and underwater sports. Founded in 1959, CMAS aims to establish safety standards, training programs, and certifications for divers around the world. The organization also focuses on environmental conservation, encouraging responsible practices to protect marine ecosystems. CMAS works with various national federations to organize competitions, training courses, and educational initiatives, fostering a global community of underwater enthusiasts and professionals.