The CoR in particular provides institutional support to the Covenant of Mayors which is gathering 6000 local and regional authorities that have committed themselves to reducing carbon dioxide emissions by an average of 28%.
OR zagotavlja institucionalno podporo zlasti konvenciji županov, ki združuje 6 000 predstavnikov lokalnih in regionalnih oblasti, ki so se zavezali povprečnemu zmanjšanju emisij ogljikovega dioksida za 28 %.