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2. List of diver certification organizations - Wikipedia

   en.wikipedia.org/wiki/List_of_diver...

   These include certification in cave diving, commercial diving, recreational diving, technical diving and freediving. Diver certification agencies are organisations which issue certification of competence in diving skills under their own name, and which train, assess, certify and register the instructors licensed to present courses following the ...

3. National Association of Underwater Instructors - Wikipedia

   en.wikipedia.org/wiki/National_Association_of...

   The National Association of Underwater Instructors (NAUI Worldwide) is a nonprofit association of scuba instructors founded in 1960 by Albert Tillman and Neal Hess. [2] [3]NAUI primarily serves as a recreational dive certification and membership organization, providing international diver standards and education programs.

4. Scuba diving - Wikipedia

   en.wikipedia.org/wiki/Scuba_diving

   Recreational scuba diver The undersea kelp forest of Ana Capa off of the coast of Oxnard, California Diver looking at a shipwreck in the Caribbean Sea. Scuba diving is a mode of underwater diving whereby divers use breathing equipment that is completely independent of a surface breathing gas supply, and therefore has a limited but variable endurance. [1]

5. American Canadian Underwater Certifications - Wikipedia

   en.wikipedia.org/wiki/American_Canadian...

   ACUC, American and Canadian Underwater Certifications Inc. is an international recreational diving membership and diver training organization.Formerly known as the Association of Canadian Underwater Councils, it was formed as a not for profit collective of regional dive councils to create a national forum for their common interest and concerns.

6. Underwater diving - Wikipedia

   en.wikipedia.org/wiki/Underwater_diving

   Scuba diving tourism is a growth industry, and it is necessary to consider environmental sustainability, as the expanding impact of divers can adversely affect the marine environment in several ways, and the impact also depends on the specific environment. Tropical coral reefs are more easily damaged by poor diving skills than some temperate ...

7. Recreational dive sites - Wikipedia

   en.wikipedia.org/wiki/Recreational_dive_sites

   Diving in clean fresh water generally requires less post dive maintenance. The operators of scuba diving quarries may add objects or debris fields to the bottom of the quarry for divers to explore while scuba diving. Mostly these are man made objects such as boats, cars, and trucks.