Ar 21 Mawrth 2023, gwnaeddatganiad llafar yn y Senedd:  Bil yr Amgylchedd (Ansawdd Aer a Seinweddau) (Cymru) (dolen allanol).
On 21 March 2023, anoral statement was made in the Senedd: The Environment (Air Quality and Soundscapes) (Wales) Bill (external link).