Dywedodd Dr Thomas Downs, Meddyg Iau, sylfaenydd Grŵp Gwyrdd Ysbyty Gwynedd, un o Gymrodyr Comisiwn Bevan ac aelod o dîm Iechyd Gwyrdd Cymru:
Dr Thomas Downs, Junior Doctor, founder Ysbyty Gwynedd Green Group, Bevan Commission Fellow and part of the Green Health Wales team, said: