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Thu, 05 Jan 2023
Clywn faint o ddylanwad mae Greta Thunberg wedi cael ar bobl ifanc ac mi fydd Lara Catrin a Gwenan Rosser yn y stiwdio. We hear how much influence Greta Thunberg has had on young people.
Darllediad diwethaf
Gwen 6 Ion 2023
12:30