Carwyn Jones wedi ymrwymo i ddarparu buddsoddiad ychwanegol i roi hwb i Forlyn Llanw Bae Abertawe, ac mae'n galw ar Lywodraeth y DU i roi golau gwyrdd i'r prosiect.
First Minister Carwyn Jones has committed to providing further investment to kick-start the Swansea Bay Tidal Lagoon and is calling on the UK Government to give the project the green light.