1/2 Amundsen may have beaten Scott to the South Pole but science was the real winner
BBC World Service
Latest from the region's rivers and reservoirs with Railton Howes.
Y diweddaraf o'r byd ffermio gyda Dei Tomos.
BBC Radio Cymru
Helen Mark is in Ireland, looking at attitudes down the centuries to the peat bogs.
BBC Radio 4
Anna Hill is in Missouri to report on the worst drought in the USA since the 1930s.
Y cyntaf o ddwy Alwad arbennig yn dilyn Afon Teifi o'i tharddiad i'w haber.
Euan McIlwraith meets a new movement looking to give dairy farmers more negotiating clout.
BBC Radio Scotland
Food, countryside and agricultural issues, plus business, industry reports and new tech.
BBC Radio Foyle
BBC Radio Ulster
On the Brahmaputra, counting and saving the Ganges River Dolphin.
Winnie Johnson's solicitor, Libor, and how many tweets were sent during the Olympics?
BBC Radio 5 live
Sunday 19 August 2012