Antarctic wildlife has adapted to survive in the world's most hostile weather, but climate change and human intervention can threaten its existence.

Originally released by National Geographic Digital Media, 2016. Streaming video file encoded with permission for digital streaming by Infobase on May 17, 2017.

Ross Ice Shelf: Exploring the Ice (6:08); --Ross Sea: Coast Guard Icebreaker (4:32); -- Research Vessel Ortelius (6:36); -- Scott Base (4:18); -- Ross Ice Shelf: First Set of Data (3:06); -- Near McMurdo Sound (3:09); -- Fulfilling the Mission (2:23); -- McMurdo Channel (4:04); -- Pleneau Bay (2:39); -- Ross Shelf: Broken Equipment (2:11); -- Ross Sea (2:01); -- McMurdo Channel: Return (3:05); -- Ross Ice Shelf: Success (2:43); .