Iolo Williams a phlant Ysgol Gynradd Llanrug yn sgwrsio am newid hinsawdd. A discussion about climate change between Iolo Williams and pupils from Ysgol Gynradd Llanrug. Show more
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Iolo Williams a phlant Ysgol Gynradd Llanrug yn sgwrsio am newid hinsawdd. A discussion about climate change between Iolo Williams and pupils from Ysgol Gynradd Llanrug. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
