The Canary of the Sea

For centuries, the Northwest Passage, the long-sought sea route connecting the Atlantic and Pacific Oceans through northern Canada, was a holy grail of Arctic exploration. Even now, sailing through it isn’t guaranteed. Mark Synnott, a National Geographic Explorer, writer, and adv ...  Show more

There’s a lost continent waiting to be explored, and it’s right below our feet. We’ll dig into the deep human relationship to the underground—and why we understand it from an instinctive point of view, but not so much from a physical one. (Hint: We’re afraid of the dark.) In an e ...  Show more

The ocean is a naturally noisy place full of singing whales, grunting fish, snapping shrimp, cracking ice, wind and rain. But human-made sounds -- from ship engines to oil drilling -- have become an acute threat to marine life, says science journalist Nicola Jones. Watch (and lis ...  Show more

Baleen whales were almost hunted to extinction. Now they face a new threat – global shipping. But despite humans blighting their lives, can they now recover and help revive ocean life?Justin Rowlatt speaks to two researchers who observe these intelligent, sociable giants up close ...  Show more

How noisy is the underwater environment? Tom Heap dips beneath the surface to find out if man-made noise is affecting the marine life that lives below the waves.Costing The Earth begins a new series with three programmes investigating the health of our oceans. The team tackles oc ...  Show more

The term “narwhal” derives from the old Nordic for “nár + hvalr”, meaning corpse + whale, which, for these animals, is quickly becoming prophetic. Climate change, with its accompanying increase in human marine activity, has led to the Arctic Ocean becoming noisier. As narwhal rel ...  Show more