The Confédération Mondiale des Activités Subaquatiques (CMAS) is an international organization dedicated to promoting underwater activities, including diving, snorkeling, and underwater sports. Founded in 1959, CMAS aims to establish safety standards, training programs, and competitions for divers worldwide. It serves as a governing body for various national federations and encourages environmental protection of aquatic ecosystems. CMAS also plays a significant role in the development of diving education and certification. It offers various levels of training and qualifications for divers, instructors, and dive leaders. Through its initiatives, CMAS fosters a global community of underwater enthusiasts and promotes responsible diving practices.