Cafodd camau i weithredu ar ddatgarboneiddio eu cefnogi hefyd ganWPPN 12/21 ‘Mynd i’r afael â CO2e mewn cadwyni cyflenwi’ sy'n rhoi arweiniad i Sector Cyhoeddus Cymru ar strategaethau i weithredu ar allyriadau sy'n deillio o nwyddau a gwasanaethau a gaiff eu caffael.
Action on decarbonisation has been further supported byWPPN 12/21 ‘Addressing CO2e in supply chains’that provides guidance to the Welsh Public Sector on strategies to take action on emissions arising from procured goods and services.