WordNet sense 1 (involving the entire earth; not limited or provincial in scope):

global, planetary, world

WordNet sense 2 (concerning or belonging to all or at least two or more nations):

international

WordNet sense 3 (extending or taking place between or among continents):

intercontinental

WordNet sense 4 (of worldwide scope or applicability):

cosmopolitan, ecumenical, general, universal, oecumenical

WordNet sense 5 (including all or everything):

comprehensive