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The highest mountain range in the world, the Himalayan range is far reaching, spanning thousands of miles, and holds within it an exceptionally diverse ecology. Coniferous and subtropical forests, wetlands, and montane grasslands are as much a part of this world as the inhospitable, frozen mountaintops that tower above. The word Himalaya is Sanskrit for abode of snow, fitting for a stretch of land that houses the world’s largest non polar ice masses. Extensive glacial networks feed Asia's major rivers including the Ganges, Indus, and Brahmaputra. More than a billion people rely on these glacier-fed water sources for drinking water and agriculture. The Himalayas are not only a remarkable expanse of natural beauty. They're also crucial for our survival.

Werner Herzog's documentary film about the "Grizzly Man" Timothy Treadwell and what the thirteen summers in a National Park in Alaska were like in one man's attempt to protect the grizzly bears. The film is full of unique images and a look into the spirit of a man who sacrificed himself for nature.

Described as being a film about determination, danger and the ocean’s greatest depths, James Cameron's "Deepsea Challenge 3D" tells the story of Cameron’s journey to fulfill his boyhood dream of becoming an explorer. The movie offers a unique insight into Cameron's world as he makes that dream reality – and makes history – by becoming the first person to travel solo to the deepest point on the planet.

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Carefully picked scenes of nature and civilization are viewed at high speed using time-lapse cinematography in an effort to demonstrate the history of various regions.

Author Helen Macdonald follows Britain’s greatest river over four seasons, encountering salmon, beavers and the microscopic creatures helping to answer science's biggest questions.

The true story of the birth, growth and coming of age of a leopard cub in Africa's Serengeti plain. The journey of "The Leopard Son" begins at his mother's side where he discovers, through play, essential skills for survival in the wild. As it is with humans, there inevitably comes the day when a child must leave his mother to go out on his own.

Coral Reef Adventure follows the real-life expedition of ocean explorers and underwater filmmakers Howard and Michele Hall. Using large-format cameras, the Halls guide us to the islands and sun-drenched waters of the South Pacific to document the health and beauty of coral reefs. Featuring songs written and recorded by Crosby, Stills & Nash.

Ring of Fire is about the immense natural force of the great circle of volcanoes and seismic activity that rings the Pacific Ocean and the varied people and cultures who coexist with them. Spectacular volcanic eruptions are featured, including Mount St. Helens, Navidad in Chile, Sakurajima in Japan, and Mount Merapi in Indonesia.

The story of the evolution of tropical rain forests, their recent and rapid destruction, and the intense efforts of scientists to understand them even as they disappear. This film gives viewers a better appreciation of the importance of tropical rain forests on a global scale.

A scientist explains how the savagery and efficiency of the insect world could result in their taking over the world.

The film shows birds and mammals of Spitzbergen: The snow bunting, Phalaropus fulicarius, Stercorarius parasiticus, the red throated loon, the arctic gull, the puffin, the black guillemot, the loon and the common guillemot are photographed at the hatching place. In addition reindeer, arctic foxes and musk oxen are shown. The voices of seven kinds of animals are heard.

Explore the extraordinary hidden world of insects, where a leaf weighs more than a car, rain drops feel like exploding hand grenades and a blade of grass soars like a skyscraper. Shot on location in the Borneo rainforest, Bugs! brings the beautiful and dangerous universe of its tiny stars up close and personal with cutting-edge technology that magnifies them up to 250,000 times their normal size.

This short live-action film tells the story of a little raccoon who encounters many adventures when he strays from home to explore the world.

A group of outdoorsmen demonstrate duck hunting as a preliminary to traveling the various hunting and fishing centers of the world. They begin their journey with a trip to the Rocky Mountains to hunt elk and mountain lions and to fish in the freshwater lakes. They travel to Lac la Ronge in Saskatchewan and to Anchorage and the Katmai Peninsula in Alaska to fish for trout, salmon, and grayling and hunt moose and bear. In the Arctic, the hunters go with a group of Eskimos for their biggest catch, the polar bear. The hunters travel south by plane, to the Fishing Club of Panama to fish for marlin, tuna, shark, and dolphin in the Gulf of Panama. In South Africa and the Zambesi River basin, they often hunt with only a camera. Accompanied by native beaters, they hunt elephants, antelope, buffalo, crocodiles, and hippopotami. As conservationists they capture some almost extinct white rhinoceros and take them to a game preserve for protection.

The culture of Japan is incredible, from bloom festivals to ultra-modern cities. But there are also more than 130 mammals and 600 bird species dwelling in Japan’s 6,852 islands. This island chain is long enough to span climate zones, providing a huge range of habitat.

Ashes and Snow, a film by Gregory Colbert, uses both still and movie cameras to explore extraordinary interactions between humans and animals. The 60-minute feature is a poetic narrative rather than a documentary. It aims to lift the natural and artificial barriers between humans and other species, dissolving the distance that exists between them.

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A documentary of insect life in meadows and ponds, using incredible close-ups, slow motion, and time-lapse photography. It includes bees collecting nectar, ladybugs eating mites, snails mating, spiders wrapping their catch, a scarab beetle relentlessly pushing its ball of dung uphill, endless lines of caterpillars, an underwater spider creating an air bubble to live in, and a mosquito hatching.