Esboniodd Julie James, y Gweinidog Newid Hinsawdd, bod y Ddeddf yn rhan o ymateb Llywodraeth Cymru i’r argyfyngau hinsawdd a natur a’i bod yn ‘adeiladu ar y momentwm y mae cymunedau ledled Cymru wedi’i greu trwy benderfynu mynd yn ddi-blastig, ymwrthod â’r diwylliant ‘taflu pob peth’ a mynd i’r afael â sbwriel.
Climate Change Minister Julie James explained the Act forms part of the Welsh Government’s response to the climate and nature emergencies and ‘builds on momentum created by communities across Wales who have chosen to go plastic free, defy throwaway culture and tackle littering’