The Story of Yellowstone National Park(1991)

Follow ocean legend Sylvia Earle, renowned underwater National Geographic photographer Brian Skerry, writer Max Kennedy and their crew of teenage aquanauts on a year-long quest to deploy science and photography to inspire President Obama to establish new Blue Parks to protect essential habitats across an unseen American Wilderness.

Follows the story of "Grizzly Man" Timothy Treadwell and what the thirteen summers in a National Park in Alaska were like in his 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.

Sir David Attenborough narrates a documentary about the Kea, the world's only alpine parrot. Playful and destructive, it attacks cars, starts landslides and terrorises New Zealand ski resorts but behind the bad behaviour there's a sharp mind at work. David tries to play chess with a kea and discovers how its cheeky character is the key to its survival.

It is the 27th anniversary of Thomas Sankara's assassination. Children busy themselves in the piles of rubble, buffeted by the wind... They walk tirelessly in search of plastic bags, which they exchange with adults for a small wage. Once their work is done, they can become children again, laughing and playing, before another hard day's work begins.

Western views and the legal system tend to view nature as property, and as a resource from which wealth is extracted, a commodity whose only value is to provide for human needs. But for millennia indigenous communities have viewed themselves as part of nature.

Allegations of a significant elephant-poaching problem in Botswana have sparked a political row between the president and his predecessor. As Alastair Leithead reports, the issue has ignited a national debate over whether there are too many elephants and whether hunting should be re-introduced.

Kina & Yuk are two Arctic foxes, ready to start a family. But the climate is warmer, and the food is more and more rare. Kina & Yuk are obliged to venture far and far away.

Every year, thousands of Antarctica's emperor penguins make an astonishing journey to breed their young. They walk, marching day and night in single file 70 miles into the darkest, driest and coldest continent on Earth. This amazing, true-life tale is touched with humour and alive with thrills. Breathtaking photography captures the transcendent beauty and staggering drama of devoted parent penguins who, in the fierce polar winter, take turns guarding their egg and trekking to the ocean in search of food. Predators hunt them, storms lash them. But the safety of their adorable chicks makes it all worthwhile. So follow the leader... to adventure!!

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

When a Mongolian nomadic family's newest camel colt is rejected by its mother, a musician is needed for a ritual to change her mind.