Recycling bins for used fishing gear have been placed at Swansea, Milford Haven, Fishguard, Cardigan, Conwy, Anglesey and Holyhead harbours.
Mae biniau ailgylchu ar gyfer hen offer pysgota wedi'u gosod yn harbyrau Abertawe, Aberdaugleddau, Abergwaun, Aberteifi, Conwy, Ynys Môn a Chaergybi.