Geographer Mary Edwards on the melting of ice in the Arctic and climate change.
Verity Sharp connects musical stories along latitudinal lines around the globe.
Melvyn Bragg and guests discuss the history of the Antarctic and its exploration.
The melting sea ice of the Arctic creates opportunities and threats. Tom Heap reports.
The team boards their yacht Pelagic, designed for the glacial ice fields they encounter.
Fierce storms and dense sea ice provide more challenges to the film crew.
With their ship locked in ice, the crew attempt to walk across the frozen Antarctic waters
Life is tough not only for the penguins, but also for the team filming their lives.
The young Gentoo penguins prepare to enter the water for the first time.
What does it take to be a chef in the frozen South, the wildest place on Earth?
Sound recordist Chris Watson introduces the extraordinary sounds of a glacier calving.
After six weeks at the North Pole, Helen Czerski has new insights into climate change.
Kenneth Steven considers the damage cruise ships do to fragile indigenous communities.
Jim Al-Khalili goes under the Antarctic ice with glaciologist Martin Siegert.
Revisiting two audio food diaries recorded in the north and south poles in 2002.
Astonishing and revelatory sounds above, below and within Antarctica's landscape of ice.
Eleanor Rosamund Barraclough journeys to northern Norway in search of the supernatural.
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