Mae Lesley Griffiths, wedi siarad am ei huchelgais i weld sector cyhoeddus Cymru'n garbon niwtral erbyn 2030 ac mae'n gofyn i bobl am eu barn ynghylch sut i daro'r targed hwnnw.
Lesley Griffiths, has spoken of her ambition for the Welsh public sector to be carbon neutral by 2030 and is calling for views on how this can be achieved.