BBC - Frozen Planet (2011) Part 7 On Thin Ice

Frozen Planet

Frozen Planet is a nature documentary series, produced and filmed by the BBC Natural History Unit. The production team, which includes executive producer Alastair Fothergill and series producer Vanessa Berlowitz, were previously responsible for the award-winning series The Blue Planet (2001) and Planet Earth (2006), and Frozen Planet is being billed as a sequel. David Attenborough returns as narrator and as with Planet Earth, the series will be shot entirely in HD. The seven-part series will focus on life in the Arctic and Antarctic. The production team were keen to film a comprehensive record of the natural history of the Polar Regions, because climate change is affecting landforms such as glaciers, ice shelves, and the extent of sea ice. Sir David first visited Antarctica 17 years ago, but this was his first time ever to visit the geographical North Pole. To get there, meant flying in to a Russian ice camp on the frozen Arctic Ocean, where he could (after several days of bad weather) finally reach the pole itself by helicopter. He also returned to Scott's hut, a place he first visited several years ago, but still touches him today. This is the place where Sir Robert Falcon Scott and his men began their fateful journey to reach the geographical South Pole. “I remember very vividly indeed the first time I entered this extraordinary building…it was not like any other place - because it isn't like any other place on earth. If ever there was a place that held the personality of the people that had lived in it, a century ago, this surely must be it”. Sir David authors On Thin Ice, the seventh film of the series, which explores the effects of climate change on the Polar Regions and the lengths that scientists are going to, to understand it. Some regions, like the Antarctic Peninsula, have warmed significantly in the years since Sir David first visited them. He explores what this means, not just for the animals and people of the polar regions, but for the whole planet.

Part 7 On Thin Ice

David Attenborough journeys to both Polar Regions to investigate what rising temperatures will mean for the people and wildlife that live there and for the rest of the planet. David starts out at the North Pole, standing on sea ice several metres thick, but which scientists predict could be Open Ocean within the next few decades. The Arctic has been warming at twice the global average, so David heads out with a Norwegian team to see what this means for polar bears. He comes face-to-face with a tranquilised female, and discovers that mothers and cubs are going hungry as the sea ice on which they hunt disappears. In Canada, Inuit hunters have seen with their own eyes what scientists have seen from space; the Arctic Ocean has lost 30% of its summer ice cover over the last 30 years. For some, the melting sea ice will allow access to trillions of dollars worth of oil, gas and minerals. For the rest of us, it means the planet will get warmer, as sea ice is important to reflect back the sun's energy. Next David travels to see what's happening to the ice on land in Greenland, we follow intrepid ice scientists as they study giant waterfalls of meltwater, which are accelerating iceberg calving events, and ultimately leading to a rise in global sea level. Temperatures have also risen in the Antarctic - David returns to glaciers photographed by the Shackleton expedition and reveals a dramatic retreat over the past century. It's not just the ice that is changing - ice-loving adelie penguins are disappearing, and more temperate gentoo penguins are moving in. Finally, we see the first ever images of the largest recent natural event on our planet - the break up of the Wilkins Ice Shelf, an ice sheet the size of Jamaica, which shattered into hundreds of icebergs in 2009.

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