Crossword Genius

Green’s advice on how to get from Kyoto to Tokyo? (7)

Ross

I believe the answer is:

recycle

I'm a little stuck... Click here to teach me more about this clue!

'green's' is the definition.
Although both the answer and definition are verbs in their base form, I can't understand how one could define the other.

'advice on how to get from kyoto to tokyo?' is the wordplay.
I cannot quite understand how this works, but
'on' could be 're' (regarding) and 're' is found within the answer.
The remaining letters 'cycle' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for recycle that I've seen before include "Behave greenly" , "Use (rubbish) again" , "Process for further use" , "Process something so it can be used again" , "be green" .)

I've seen this clue in The Independent.
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