Sam narrates the documentary The Wildlife Trusts: 100 years of nature conservation. An abridged version can be viewed on Youtube.
Sam, Seán Gleeson and Barbara Barnes are the readers for this Sunday's episode of Poetry Please.
Series 1 and 2 of High Table, Lower Orders are being repeated on BBC Radio 4 Extra. Episodes 1 and 2 from series 1 are currently available on iPlayer.