The Arctic and the Antarctic are privileged locations for observers interested in understanding how our world is shaped by the forces of nature and the workings of history. These areas have inspired countless humans to undertake epic expeditions of discovery and have witnessed both great triumphs and miserable defeats. As a planetary litmus paper it is at the poles we can detect the effects of natural oscillations and human activities on the global ecosystems.
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052 The Hot Heart of Antarctica
Scientists have uncovered the largest volcanic region on Earth – 138 volcanoes, 91 of which have not previously been identified, two kilometers below the surface of the vast ice sheet that covers West Antarctica. And the fastest-melting glacier in Antarctica, the Pine Islan Glacier, might not only accelerate its speed because of a warming planet.