Once You Know

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

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...

An internal battle is simmering among US Christians over whether climate change is a call to protect the Earth, the work of God to be welcomed, or...

It starts with a live radio broadcast from the Bikini Atoll a few days before it is annihilated by a nuclear test. Shows great footage from these...

This 1991 Academy Award®-winning documentary uncovers the disastrous health and environmental side effects caused by the production of nuclear...

A cinematic and introspective look at the residents of a Quebec town—once the site of the world's largest asbestos mine—as they grapple...

An examination of the extinction threat faced by frogs, which have hopped on Earth for some 250 million years and are a crucial cog in the ecosystem....

Dr Helen Czerski delves into the Horizon archive to chart the transformation of a little-known theory into one of the greatest scientific...

Professor Iain Stewart and Professor Kathy Sykes take a timely look at global warming, exploring the world's leading climate scientists' vision of...

Professional snowboarder and mountaineer Jeremy Jones has an intimate relationship with the outdoors. It’s his escape, his identity, and his...

"Climate: The Movie" highlights a different perspective on the climate change debate and is supported by scientists who have signed the Clintel's...

A documentary about the impacts of climate change on the Republic of the Marshall Islands and its people. Most parts of the Marshall Islands are less...