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Rising carbon -- I'm about to support green business (8)

Ross

I believe the answer is:

economic

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'business' is the definition.
Both the answer and definition are adjectives. Maybe there's a link between them I don't understand?

'rising carbon i'm about to support green' is the wordplay.
'rising' says the letters should be written backwards (going up in a down clue).
'carbon' becomes 'C' (C is the chemical symbol for carbon).
'about' becomes 'on' (as in a book 'on' a certain topic).
'to support' means one lot of letters go next to another (in a down clue, some letters hold others up).
'green' becomes 'eco' (abbreviation for ecological).
'c'+'im'+'on'='cimon'
'cimon' reversed gives 'nomic'.
'nomic' put after 'eco' is 'ECONOMIC'.

Can you help me to learn more?

(Other definitions for economic that I've seen before include "Sparing in the use of resources" , "Likely to bring a profit" , "Coo, mince! (anag.)" , "One comic (anag)" , "Relating to careful financial management" .)

I've seen this clue in The Telegraph.
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