cosmopolitan vs environmental science

cosmopolitan and environmental science both are nouns.

Word	Noun	Adjective	Verb	Adverb
cosmopolitan	Yes	Yes	No	No
environmental science	Yes	No	No	No

cosmopolitan (noun)	environmental science (noun)
a sophisticated person who has travelled in many countries	the branch of biology concerned with the relations between organisms and their environment

cosmopolitan (adjective)	environmental science (adjective)
growing or occurring in many parts of the world
composed of people from or at home in many parts of the world; especially not provincial in attitudes or interests
of worldwide scope or applicability