Pa gamau y mae Llywodraeth Cymru yn eu cymryd i lanhau tir halogedig ledled Cymru, fel Chwarel Tŷ Llwyd?
Wedi'i ateb gan Gweinidog Cabinet dros Wydnwch Gwledig a Chynaliadwyedd | Wedi'i ateb ar 11/09/2026
Addressing land contamination is a priority for this Government. We are committed to developing a Wales-wide strategy to progressively restore post-industrial land and protecting communities from potential risks. This includes strengthening the “polluters pay principle” and ensuring the UK Government makes a fair contribution to remediating the impacts of industrial pollution that pre-dates devolution.