Once You Know

Gripped by a fear of drought, 'SCENES FROM A DRY CITY' uses the lens of water to reveal cracks in Cape Town's complex social fabric.

In this detective story, filmmaker Cullen Hoback investigates the largest chemical drinking water contamination in a generation. But something is rott...

Immersion is a short conceptual film featuring wonder kid Axel Rosenblad. It is a sensorial journey into his surfing.

Sheds light on an alternative approach to farming called “regenerative agriculture” that could balance our climate, replenish our vast water supplies,...

Takes us to locations all around the US and shows us the heavy toll that modern technology is having on humans and the earth. The visual tone poem con...

RESIST; The Unist'oten's Call to the Land is a short documentary that was filmed in the summer of 2013 on unceded Wet'suwet'en territory, 1000 km nort...

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

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....

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

Tar Creek is an environmentally devastated area in northeastern Oklahoma with acidic creeks, stratospheric lead poisoning and enormous sinkholes. Near...

As co-created by environmentalists Stephan Poulle and Nicolas Koutsikas, the documentary Gulf Stream and the Next Ice Age argues and provides evidence...