Deputy First Minister with responsibility for Climate Change and Rural Affairs, Huw Irranca-Davies, recently visited Ysgol Brynhyfryd in Denbighshire.
Ymwelodd Huw Irranca-Davies, y Dirprwy Brif Weinidog sydd â chyfrifoldeb dros Newid Hinsawdd, â chaffi trwsio yng Nghaerfyrddin.