S4C

PwySutPam? - Cyfres 1: Olew - Signed

Y gwyddonydd Bedwyr ab Ion Thomas sy'n craffu ar olew, yr hylif tywyll o grombil y Ddaear. Oil is a controversial substance: a powerhouse but also the cause of global warming. W...

  • Duration15 mins
  • First shown10 Oct 2024
  • Available for 15 days
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Audio DescribedSign Language