Beth yw'r gost a ragwelir i Lywodraeth Cymru a phob bwrdd iechyd yng Nghymru i gyflawni Cynllun Cyflawni Strategol Datgarboneiddio GIG Cymru 2025 i 2030 rhwng blynyddoedd calendr 2025 a 2030?
Wedi'i ateb gan Ysgrifennydd y Cabinet dros Iechyd a Gofal Cymdeithasol | Wedi'i ateb ar 19/11/2025
Work is currently under way to assess how key decarbonisation initiatives contribute to the NHS Wales carbon reduction route map, which will provide indicative cost estimates where possible and applicable.