Man

11:28

The Greenland ice sheet, the last remnant of the Ice Age, is melting at an unprecedented rate. Today, scientists and researchers from all over the world are paying close attention to what could become a global catastrophe.

Breakthrough • 2019 • Environment

52:04

In the Vega Archipelago, in the north of Norway at the Arctic Circle, people have formed a unique partnership with wild eider ducks. The provide the birds with shelter in hatcheries, and in return, after the breeding season, collect the precious eiderdown, with which the ducks line their nests.

S1E4 • Paradise Preserved • 2019 • Environment

44:00

From artificial photosynthesis to vegan diets, changes in science and behavior are helping improve Earth's air quality.

S1E2 • Age of Humans • 2021 • Environment

58:31

No season brings more surprises than an Alaskan summer. It lures hummingbirds up from the tropics, exposes deserts in the Arctic and relies on parachuting firefighters to tackle forest fires in its vast wilderness. Summer is a narrow window of plenty, when the land is bathed in 24-hour sunlight - but in this land of extremes, you can have too much of a good thing.

S1E2 • Alaska: Earth's Frozen Kingdom • Environment

58:18

Dr Helen Czerski delves into the Horizon archive to chart the transformation of a little-known theory into one of the greatest scientific undertakings in history.

Horizon • Environment

59:05

A look at how every one of the 20,000 islands was colonised by the Polynesians.

S1E2 • South Pacific • Environment