Naked Scientists Chris Smith and Kat Arney with the hottest science news stories.
BBC Radio 5 live
Y diweddaraf o'r byd ffermio gyda Dei Tomos.
BBC Radio Cymru
Snowdonia's slate once roofed the world. Find out what has become of the quarries today. (R)
BBC Radio 4
Harvest is here, and Caz Graham explores the arable farm at Tatton Park in Cheshire.
Gerallt Pennant yn ein deffro ar fore Sadwrn.
Mark Stephen and Christopher Sleight with the latest outdoor activities.
BBC Radio Scotland
Food, countryside and agricultural issues, focusing on business, industry and technology.
BBC Radio Foyle
BBC Radio Ulster
Why do we go on pilgrimages?
BBC World Service