In a dark, ambiguous environment, minuscule particles drift slowly before the lens. The image focuses to reveal spruce trees and tall pines, while Innu voices tell us the story of this territory, this flooded forest. Muffled percussive sounds gradually become louder, suggesting the presence of a hydroelectric dam. The submerged trees gradually transform into firebrands as whispers bring back the stories of this forest.

This film, three years in the making, The remote forests of Kalkalpen National Park in Austria, the largest area of wilderness in the European Alps, have been left untouched by humans for nearly a quarter of a century in order to return to their natural, primeval state. The landscape regenerates itself in dramatic cycles of growth and decay, and this bold hands-off method of conservation yields salient results: the lynx, absent from the area for 115 years, has returned.

Trees talk, know family ties and care for their young? Is this too fantastic to be true? German forester Peter Wohlleben and scientist Suzanne Simard have been observing and investigating the communication between trees over decades. And their findings are most astounding.

It is with an old bus an about thirty snakes that Franz Florez struggles for the preservation of nature in Colombia, one of the most environmentally diverse country in the world. His snakes are his pass to enter the deep jungle, where guerrillas fight the regular army and where narco-traffickers meet coca growers. Facing the threat of the industrial exploitation of these preserved areas, he tries to gather support among the population, including the armed actors.

In this retrospective tribute, acclaimed filmmaker Jean Walkinshaw hails the 100th anniversary of Mount Rainier National Park in Washington by talking to those who know it best: the scientists, naturalists, mountain climbers and artists whose lives have been touched by the peak's far-reaching shadow. The result is a harmonious blend of archival material and high-definition footage celebrating an icon of the Pacific Northwest.

A contemplation of art and adventure in the southern wilds of New Zealand by both a landscape photographer and an adventure filmmaker. This film is the unexpected result of their two unique perspectives.

A young couple battle entrenched tradition and hostile forces to bet on nature for the future of their failing, four-hundred-year-old estate. Ripping down the fences, they set the land back to the wild and entrust its recovery to a motley mix of animals both tame and wild, beginning a grand experiment.

Alaska... Here, in this vast and spectacularly beautiful land teeming with abundant wildlife, discover the "Spirit of the Wild." Experience it in the explosive calving of glaciers, the celestial fires of the Aurora Borealis. Witness it in the thundering stampede of caribou, the beauty of the polar bear and the stealthful, deadly hunt of the wolf pack.

A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.

Out of love for Huskies, nature and cold winters Dave and Kristen Olesen moved from Minnesota to the North West Territories in Canada 25 years ago to create their own little universe on the magnificent East arm of Great Slave Lake. With their two daughters Annika 15 and Liv 12 and their 37 dogs, the Olesens enjoy a unique lifestyle in the wide open wilderness far away from civilization. One winter they all leave their self-built homestead with ten dogs on a two and a half thousand mile family expedition allowing Annika to run the Junior Iditarod in Alaska. As unexpected obstacles all along the trip culminate in three heavily injured dogs the whole endeavor is at risk. Optimism, love and loyalty prevail on this exciting epic family voyage.

Takes us to locations all around the US and shows us the heavy toll that modern technology is having on humans and the earth. The visual tone poem contains neither dialogue nor a vocalized narration: its tone is set by the juxtaposition of images and the exceptional music by Philip Glass.

Although first glance reveals little more than stones and sand, the desert is alive. Witness moving rocks, spitting mud pots, gorgeous flowers and the never-ending battle for survival between desert creatures of every shape, size and description.

Director Mirjam Leuze’s The Whale and The Raven illuminates the many issues that have drawn whale researchers, the Gitga’at First Nation, and the Government of British Columbia into a complex conflict. As the people in the Great Bear Rainforest struggle to protect their territory against the pressure and promise of the gas industry, caught in between are the countless beings that call this place home.

Norman is not just an admirer of nature, he's a part of it. He survives the harshness of the climate and the wildlife by coexisting with it. With his wife Nebraska, they live almost entirely off the land, making money by selling their furs.

Record high oil prices, global warming, and an insatiable demand for energy: these issues define our generation. The film exposes shocking connections between the auto industry, the oil industry, and the government, while exploring alternative energies such as solar, wind, electricity, and non-food-based biofuels.

Translated literally as "Animals in Love," the French-language documentary Animaux Amoreux depicts various species of the animal kingdom in courting, mating and reproduction activities. Laurent Charbonnier directs.

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.

This large format film explores the last great wilderness on earth. It takes you to the coldest, driest, windiest continent, Antarctica. The film explores the life in Antarctica, both for the animals that live their and the scientist that work there.

Follows life of Malika, a lioness in South Africa’s Kruger National Park as she battles to survive.

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.