Having devoted decades of their lives to fighting for a better world, three activists in their 70s reflect on keeping going, hope and despair as the year turns - while a retired clergyman and his wife explore what’s drawn them to activism in their 60s.

Featuring Leila Hassan Howe, Angie Zelter, Linda Clair and Bill and Rosemary White, alongside radio clips from BBC news programmes, Outlook and Mattie's Broadcast (produced by Veronica Simmonds).

With music by Lucinda Chua

Featuring the tracks Semitones (written and engineered by Lucinda Chua, produced by Lucinda Chua and Adam Wiltzie, mixed by Adam Wiltzie and Francesco Donadello and mastered by Nathan Boddy) and An Avalanche (written, engineered and produced by Lucinda Chua, mixed by Adam Wiltzie and Francesco Donadello and mastered by Nathan Boddy)

Development producer: Michael Segalov Additional recording: Andrea Rangecroft

Produced by Eleanor McDowall A Falling Tree production for BBC Radio 4