Use BBC.com or the new BBC App to listen to BBC podcasts, Radio 4 and the World Service outside the UK.

Find out how to listen to other BBC stations

Episode details

Radio 4 Extra,03 May 2019,14 mins

Available for 30 days

Robert Macfarlane discovers various worlds beneath our feet. This time he heads to the ice mass of the Knud Rasmussen glacier: "An hour short of dusk on the evening of our arrival, the fog bank disperses to reveal the calving face of the glacier..." But what is meant by 'calving', exactly? Concluded by the author. Abridged by Katrin Williams. Producer Duncan Minshull. First broadcast on BBC Radio 4 in May 2019.

Programme Website
More episodes