Radio choice Charlotte Runcie

RADIO 4FM, 9.45AM

 With only a year until Brexit, there’s a season of programmes on Radio 4 this week looking towards what the future holds. This five-part morning series, however, looks to the past for clues. Environmental Earth and planetary scientist Professor Sanjeev Gupta begins 450,000 years ago, when the world was so different that our ancestors could walk across what is now the English Channel, and tells the story of how the changes to this body of water, that both separates us from and connects us to Europe, have shaped our identity over millennia. The Last Leaf on the Tree – Jeremy Paxman with Joan Baez

RADIO 2, 10.00PM

 Did you know that Jeremy Paxman is a lifelong fan of 77-year-old American folk singer and activist Joan Baez? Me neither, but apparently it is so. Baez recently told The New York