Heddiw, mae Bil yr Amgylchedd (Ansawdd Aer a Seinweddau) (Cymru) ('y Bil') a’r Memorandwm Esboniadol ar ei gyfer wedi'u gosod gerbron Senedd Cymru ('y Senedd').
Today, the Environment (Air Quality and Soundscapes) (Wales) Bill (‘the Bill’) and Explanatory Memorandum has been laid before Senedd Cymru (‘the Senedd’).