A wnaiff yr Ysgrifennydd Cabinet roi' diweddariad ar gyfanswm y gost o reoli tipiau glo Cymru ar ôl i'r ffigur amcangyfrif cychwynnol o £600 miliwn fod yn seiliedig ar wybodaeth gyfyngedig oedd ar gael ar y pryd?
Wedi'i ateb gan Y Dirprwy Brif Weinidog ac Ysgrifennydd y Cabinet dros Newid Hinsawdd a Materion Gwledig | Wedi'i ateb ar 24/04/2025
Welsh Government has already committed to taking forward this work, in response to Recommendation 7 of the Senedd Climate Change, Environment and Infrastructure Committee’s Report on the Restoration of Opencast Sites. We will publicise the updated figure in due course, once it has been calculated.