Cofleidiodd Cymru'r egwyddor a dangos y ffordd trwy godi tâl am fagiau siopa untro  ac rydym am glywed beth arall y gallwn ni ei wneud i wireddu'n huchelgais i fod yn genedl ddiwastraff.
Wales embraced and lead the way with the charge for single use carrier bags, and we want to hear from you about what more we can do to help us reach our ambition of becoming a zero waste nation.