Reiterated three points about recycling rubbish (8)
I believe the answer is:
nonsense
'rubbish' is the definition.
(I've seen this before)
'reiterated three points about recycling' is the wordplay.
'reiterated' indicates the doubling of some letters.
'three points' becomes 'nse'.
'about' says to put letters next to each other.
'recycling' becomes 'no' (I can't explain this - if you can you should give a lot more credence to this answer).
'nse' duplicated is 'nsense'.
'nsense' after 'no' is 'NONSENSE'.
(Other definitions for nonsense that I've seen before include "Boloney, tosh" , "Words or ideas that don't make sense" , "hot air" , "Language without meaning" , "Gibberish" .)