From PBS - The fascinating story of beavers in North America - their history, their near extinction, and their current comeback, as a growing number of scientists, conservationists and grass-roots environmentalists have come to regard beavers as overlooked tools when it comes to reversing the disastrous effects of global warming and world-wide water shortages. Once valued for their fur or hunted as pests, these industrious rodents are seen in a new light through the eyes of this novel assembly of beaver enthusiasts and "employers" who reveal the ways in which the presence of beavers can transform and revive landscapes. Using their skills as natural builders and brilliant hydro-engineers, beavers are being recruited to accomplish everything from re-establishing water sources in bone-dry deserts to supporting whole communities of wildlife drawn to the revitalizing aquatic ecosystems their ponds provide.

After Homer accidentally pollutes the town's water supply, Springfield is encased in a gigantic dome...

A genocide survivor transcends overwhelming odds to become a master chimpanzee linguist

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Coral Reef Adventure follows the real-life expedition of ocean explorers and underwater filmmakers H...

Sea life in a whole new way. Deep Sea 3D, an underwater adventure from the filmmakers behind the suc...

Ring of Fire is about the immense natural force of the great circle of volcanoes and seismic activit...

The story of the evolution of tropical rain forests, their recent and rapid destruction, and the int...

Peter Gimbel and a team of photographers set out on an expedition to find and film, for the very fir...

This documentary follows the harsh and competitive life of Addo, a male lion born into a successful ...

Roam the Wild West frontier land of the Rio Grande’s Big Bend alongside its iconic animals, includin...

Documentary about chimps in Gombe.

An exploration of technologically developing nations and the effect the transition to Western-style ...

As California's largest lake approaches a point of no return, one man will attempt to become the fir...

Ocean Oasis is a fascinating journey into the bountiful seas and pristine deserts of two remarkably ...

Two hundred years after Charles Darwin set foot on the shores of the Galápagos Islands, David Attenb...

Journey to a secret valley in Australia, where a nervous baby kangaroo named Mala faces hungry dingo...

A visual montage portrait of our contemporary world dominated by globalized technology and violence.

A journey to seven of the most geographically dynamic locations on earth. The film features spectacu...

An underwater exploration beneath kelp forests in the Pacific Ocean off the coast of Southern Califo...