Mae’r ymrwymiad hwn wedi’i lunio drwy gydweithio’n agos â llywodraeth leol, gan gydnabod y camau sydd wedi’u cymryd yn barod gan rai cynghorau, ac adeiladu ar hynny.
This commitment has been taken forward in close partnership with local government, recognising and building on the action already taken by a number of councils on this issue.