Cafodd yr adroddiad 'Cartrefi Gwell, Cymru Well, Byd Gwell' ei gomisiynu llynedd gan Weinidogion Cymru a'i ysgrifennu gan Grŵp Cynghori annibynnol ar Ddatgarboneiddio Cartrefi yng Nghymru.
The report, ‘Better Homes, Better Wales, Better World’, was commissioned by Welsh Ministers last year and has been produced by an independent Advisory Group on the Decarbonisation of Homes in Wales.