Murdered more than 5,000 years ago, Otzi the Iceman is the oldest human mummy on Earth. Now, newly discovered evidence sheds light not only on this mysterious ancient man, but on the dawn of civilization in Europe.
Trekker Ian Wright travels to the high Arctic from the coast of northern Norway. His Arctic journey starts in fishing port of Tromso, more than 200 miles north of the Arctic Circle. From here, aboard the fishing trawler Hermes, he travels another 300 miles north to rich fishing ground near remote Bear Island.
In the Gamo Highlands of Ethiopia, scientists confirm the benefits of traditional stewardship even as elders witness the decline of spiritual practices that have long protected trees, meadows and mountains. Tensions with evangelical Christians over a sacred meadow erupt into a riot.