Very little to see up in Brooklyn, I think (4)
I believe the answer is:
tiny
'very little' is the definition.
(tiny means extremely little)
'up in brooklyn i think' is the wordplay.
'up' says the letters should be written in reverse (in down clue: letters go upwards).
'in' indicates a hidden word.
'ynit' is hidden within 'brooklyn i think'.
'ynit' in reverse letter order is 'TINY'.
'to see' is the link.
(Other definitions for tiny that I've seen before include "Miniature" , "Diminutive; small" , "Minute, diminutive" , "Underdeveloped" , "Little" .)