Rhybuddiodd Ms Winnard fod angen ystyried dyfodol amddiffynfeydd arfordirol ym Mhorth, y Rhondda, lle darodd llifogydd yn ddiweddar.

BBC: Pwyllgor Amgylchedd a Chynaliadwyedd - sesiwn y pnawn

Ms Winnard also said that the future of flood defences in Borth, where floods hit last month , needed to be considered as well at the Cambrian Railway all the way up to Pwllheli.

BBC: Environment Committee, afternoon session