Frogs: The Thin Green Line

In this retrospective tribute, acclaimed filmmaker Jean Walkinshaw hails the 100th anniversary of Mount Rainier National Park in Washington by talking...

In the 1950s, a devastating fog descended on London and enveloped the capital for several days, leaving Londoners lost in their own streets in one of...

A documentary of insect life in meadows and ponds, using incredible close-ups, slow motion, and time-lapse photography. It includes bees collecting ne...

The Pullars are the last family using traditional methods to fish for wild Atlantic salmon off the coast of Scotland. When these include killing seals...

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...

Every year, thousands of Antarctica's emperor penguins make an astonishing journey to breed their young. They walk, marching day and night in single f...

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

New Zealand is one of the most remote countries in the world. Owing to the great distance from continents and, as a result of intense volcanic activit...

On Zambia's Liuwa Plain two star-crossed spotted hyena cubs are born to warring rival clans: Twaambo, a male cub and Nasanta, a female, are destined t...

A look at how climate change affects our environment and what society can do to prevent the demise of endangered species, ecosystems, and native commu...

In the abyss of the ocean lies a world of mysteries and sunken treasures. But the laws governing the seas are not enough to end the debate over the ri...