A consultation on the Coal Tip Safety (Wales) White Paper was announced in May 2022 with the outcomes published in November 2022.
Cyhoeddwyd ymgynghoriad ar Bapur Gwyn Diogelwch Tomenni Glo (Cymru) ym mis Mai 2022, gyda'r canlyniadau'n cael eu cyhoeddi ym mis Tachwedd 2022.