Each year a report on Devolved Administration Greenhouse Gas Inventories is published on the National Atmospheric Emissions Inventory (NAEI) website [ 4 ].
Bob blwyddyn, cyhoeddir adroddiad ar Restr Allyriadau Nwyon Tŷ Gwydr Gweinyddiaethau Datganoledig ar wefan y Rhestr Allyriadau Atmosfferig Genedlaethol [ 4 ].