Steve Irwin's Most Dangerous Adventures

"plant portals: breath" is an experimental meditation on the unspoken history many queer and trans people of colour carry daily, connecting bumblebees, colonial trauma, alternate universes and the complicated concept of "rest" to ask: Can nature heal us? Shot entirely on an iPhone, the film is intentional in imagining what is possible, and manifests a reality rooted in mindfulness.“

A short documentary on the River Ouse, following it downstream from Lewes to Newhaven, meditating on the surrounding area.

Two otters, a mother and daughter, are inseparable as the cub faces the dangers of her first Scottish winter, and Mum works hard to ensure both survive. Never more than a few feet apart, cub and mum exhibit a very special relationship as the cub grows up, learning how to fish and fend for herself on the idyllic west coast of Scotland.

Two surfers go on a road trip through New Zealand.

The life and the career of John Muir come to life through this inspiring and beautiful documentary set against the magnificent landscapes of the American West. The Scottish-born naturalist was one of the first nature preservationists in American history, inspiring others through his writing and his advocacy to keep the wilderness wild. Shot in high definition in the spectacular landscapes that shaped Muir - and were, in turn, shaped by his devotion.

The lyric passage of a Monarch butterfly, beginning with its birth, through its delicate metamorphosis from caterpillar to butterfly and on its journey from country to city. From the first frame, the audience experiences the tension of this perilous flight as numerous adversaries, threaten the butterfly's freedom. A lively sound track, with music composed by Frederic Chopin, allows us to live for a few moments in this fleeting world.

An intimate view of the panorama of African wildlife, giving a sense of what it is really like to be there, and in a dramatic climax makes a poignant plea for conservation. Filmed in Zaire, Kenya and Tanzania, the film takes the viewer from deep inside an anthill, to the majestic giraffes suckling their young. African storms, dung beetle ritual dances, duels for supremacy, feeding time, and playtime all end as the animals disappear one by one while the sound of a rifle shatters the existing magic of life. Winner of the Academy Award for Documentary Short Subject, 1976.

Tippi is no ordinary child. She believes that she has the gift of talking to animals and that they are like brothers to her. 'I speak to them with my mind, or through my eyes, my heart or my soul, and I see that they understand and answer me.' Tippi is the daughter of French filmmakers and wildlife photographers, Alain Degre and Sylvie Robert, who have captured her on film with some of Africa's most beautiful and dangerous animals. Tippi shares her thoughts and wisdom on Africa, its people and the animals she has come to know and love. Often her wisdom is beyond her years, and her innocence and obvious rapport with the animals is both fascinating and charming.

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?

They are giants—stretching more than 300 feet above the ground, with hidden gardens and mysterious predators thriving within their canopy. National Geographic reveals the unexplored environment of the California redwoods in an epic, year-long exploration. Obsessive redwood climber Steve Sillett of Humboldt State University explores their massive crowns, discovering new record-breaking trees, while escaping falling branches and crashing trees in the process. Down below, National Geographic Explorer-in-Residence Mike Fay charts the redwood range to size up the past and future of these primeval trees threatened in 21st century California.