An old fisherman remembers the Aral Sea, which has now become a toxic desert
BBC World Service
Andrew Dilnot charts the history of the British state through its numbers.
BBC Radio 4
3/4 Michela Chiappa visits Bardi, the small town in northern Italy from where her family came.
BBC Radio Wales
2/4 Mica Paris tells the story of Prince. First broadcast in 2003.
BBC Radio 6 Music
4/6 Mark Radcliffe presents a profile of one of Britain's most popular radio comedians.
BBC Radio 4 Extra
52/52 Alan Freeman concludes the series by looking at pop music's involvement with global issues
6/6 Brian Cox and Robin Ince look at some of the most serendipitous discoveries in science.
3/3 How have the goals of young Tanzanians changed from the previous generation?
Andrew Dilnot analyses the numbers around debt.
Can the world’s companies manufacture four times more stuff without gutting the planet?