Rally where Republican really embraces concern for the environment (8)
I believe the answer is:
recovery
'rally' is the definition.
(thesaurus)
'republican really embraces concern for the environment' is the wordplay.
'republican' becomes 'r' (abbreviation).
'really' becomes 'very' (I've seen this before).
'embraces' is an insertion indicator.
'concern for the environment' becomes 'eco'.
'r'+'very'='rvery'
'rvery' going around 'eco' is 'RECOVERY'.
'where' acts as a link.
(Other definitions for recovery that I've seen before include "Salvage" , "A return to original state, health say" , "Retrieval or recuperation" , "Green shoots could be a sign of this" , "Improvement" .)