Crossword Genius

'Car of sweetheart polluted' (statement about climate change) (7,8)

Ross

I believe the answer is:

weather forecast

'statement about climate change' is the definition.

'car of sweetheart polluted' is the wordplay.
'polluted' indicates anagramming the letters.
'car'+'of'+'sweetheart'='carofsweetheart'
'carofsweetheart' with letters rearranged gives 'WEATHER FORECAST'.

(Other definitions for weather forecast that I've seen before include "Met objective" , "prediction" , "item after news" , "Predicton" .)

I've seen this clue in The Guardian.
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