Royal Caribbean International is a Norwegian and American cruise line brand based in Miami, Florida and owned by Royal Caribbean Cruises Ltd.. With 22 ships in service under, it controls a 17% share of the world cruise market. All ships under the Royal Caribbean International brand have names ending in "of the Seas" since 1991. Sister brands are Celebrity Cruises, Azamara Cruises, Pullmantur and CDF Croisières de France.
The World Wide Fund for Nature is an international non-governmental organization founded on April 29, 1961, working in the field of the biodiversity conservation, and the reduction of humanity's footprint on the environment.