Beth yw ymateb Llywodraeth Cymru i ganfyddiadau ClientEarth ynghylch meysydd chwarae mewn ysgolion sydd wedi'u gwenwyno o ganlyniad i lygredd aer?

(Ddim wedi ei gyfieithu)

Children can be exposed to higher levels of pollution when travelling to and from school than when on school grounds. I recently issued guidance instructing local authorities to give special consideration to the risks posed to children by air pollution, whether at home, in school or travelling between the two.