Ice Bridge - Mackinac Island’s Hidden Season

Explorers and amateur directors Mariana Ianovska and Viktor Posnov embark on a 40 day long trip across Umnak Island.

The compelling story of one of the most successful mountain gorillas that has ever lived - a huge silverback called Titus. The programme starts in 1967, when the researcher Dian Fossey first made contact with a group of mountain gorillas in Rwanda. She opened up a window on to their secret lives. Forty years on, this film reveals the complete and dramatic life story of one individual animal. Titus's father was murdered by poachers in front of his very eyes. His mother abandoned him in the subsequent chaos. His family disintegrated. He should have died. But we reveal how Titus survived against all the odds. Titus's present day trials and tribulations take the viewer back in time to reveal key moments in Titus's history. Using testament from eyewitnesses, the film relives one individual mountain gorilla's extraordinary battle for survival.

This is the incredible story of the men and equipment that battle the long cold winter months against the impossible odds to keep this historic mountain pass open! You'll see the Legendary Snowfighters of Donner Pass in action as they struggle against the winter fury of the High Sierras. This amazing story shot with the full cooperation of the Southern Pacific, bringing you the spectacular footage that takes you directly to the front lines of The Battle for Donner Pass!

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

This educational film shows the development and interdependence of organisms in a pond.

A group of scientists are thinking outside the box for ways to reverse the effects of global warming. And who better to save the earth than National Geographic Channel's host of the World's Toughest Fixes, Sean Riley? He'll join these experts in the labs and in the field to see what wacky new technologies are being developed, like sending mirrors into space and reducing the greenhouse emissions chickens produce.

In 2009 a team of British cavers went on an expedition deep within the jungle of central Vietnam. To their amazement they discovered an enormous cave which they believe to be the biggest in the world. The team, the first humans ever to enter the cave, traveled 6 kilometers underground until their way was blocked by a gigantic rock face they dubbed 'The Great Wall of Vietnam'. Now they have returned, but this time with the right equipment to climb the wall and with a geologist and zoologist to discover if this is indeed the Biggest Cave in the World and what secrets lie deep within?

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.

Documentary depicting the science-fiction shapes and colors of life in the cold seas of Ireland. Nominated for the Academy Award, Best Live Action Short Film, for 1977.