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?

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 activity, unique flora and fauna as well as extraordinary landscapes have developed in this island country. The settlement of humans over the centuries has naturally also had an influence on the landscape. This film is an invitation to travel across the diverse landscapes of New Zealand.

A young penguin, driven by his instinct, embarks on his first major trip to an unknown destination.

Smart as a Fox is a 1946 short documentary film supervised by Gordon Hollingshead. In this short film, a fox cub experiences life in the forest. It was nominated for an Oscar for Best Live Action Short, One-Reel.

In the Aysén region dwell a population of 90000 isolated souls sharing the harsh landscapes of an area about the size of England. Here where beauty seems to be on first-name terms with fear and danger,in a place where the immensity of nature can never be dominated, the setting hesitates, along the expanses, between sparkling colours and the black and white of the snow and the water. The day-to-day images intermingle with a story of mythological aspect; that of the timeless quest for the Lost City of the Caesars, a city of gold built 500 years ago by the conquerors.

This special edition video features some of the most dangerous adventures and incredible crocodile captures that Steve and Terri Irwin have ever made.

In this critical investigation into the most arresting victims of the climate emergency, biologist Ella Al-Shamahi joins a specialist autopsy into the death of a 40-foot sei whale, which washed up near Edinburgh. Across the 90-minute single doc, Ella sets out to uncover why whales are dying in record numbers and whether or not the crisis is man-made.

Documentary released to coincide with the British Museum's exhibition dedicated to the man who ruled the Roman Empire from 117 to 138 AD. The programme explores the life, achievements, passions and legacy of the emperor who was both soldier and poet and responsible for that most famous construction - Hadrian's Wall. The documentary was produced in conjunction with the exhibition Hadrian: Empire and Conflict at the British Museum 24 July - 26 October 2008.

Interviews from 1999, with some queer artists, activists and bands about queer punk, feminist concepts and actions. Filmed during a trip to San Francisco.

A documentary interview with Khookha McQueer a queer visual and performing artist, non-binary transgender activist. Active in raising awareness of the rights of people living with HIV. Discussing her personal experience, sexual health and people living with HIV’s condition in Tunisia.

A short film documenting street protests against the filming of William Friedkin's Cruising (1980)

Hometown Habitat features renowned entomologist Dr. Douglas Tallamy, whose research, books and lectures on the use of non-native plants in landscaping, sound the alarm about habitat and species loss. Tallamy provides the narrative thread that challenges the notion that humans are here and nature is someplace else. “It doesn’t have to, and shouldn’t be that way.” Inspiring stories of community commitment to conservation landscaping illustrate Tallamy’s vision by showing how humans and nature can co-exist with mutual benefits.

Explore the tragic truth about the massacre at the 1972 Olympic Games in Germany. Through interviews with key people such as the families of slain Olympians, German investigators and an anonymous perpetrator.

Take a spectacular journey. It starts right here... Explore a strange and mysterious world. Explore the LAND OF THE TIGER. A rare and fascinating study of the enormous jungle cats, LAND OF THE TIGER features spectacular footage of tigers stalking their prey, caring for their young, swimming, playing... and fighting- as well as glimpses of the other animals with which the tiger shares its domain. Come as close as you dare to these wild cats in all their royal splendor as you and National Geographic journey deep into the LAND OF THE TIGER.

A portrait of Larry Loomer, the owner of an antiquarian bookstore located in a small town. Larry is a colourful and amusing character who shares his wry take on the world.

The Pittsburgh History Series is an ongoing series of hour-long documentaries that highlight various parts of our city's history. Since 1988, these documentaries have captivated local audiences by mixing memories, old films, [mementos], home movies, snapshots and new interviews.

"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.“