Once You Know

Every day our changing climate pushes us closer to an environmental catastrophe, but for most the problem is easy to ignore. David Hallquist, a...

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...

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

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

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

A film about the importance of heirloom seeds to the agriculture of the world, focusing on seed keepers and activists from around the world.

The Southern Sea Otter was historically abundant along the California coastline until intense hunting pressures reduced their numbers to...

Sea otters are once again in peril after being brought back from the brink of extinction. An unprecedented number of sea otter deaths have occurred...

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

Through the eyes of ex-engineer, now filmmaker Gillian McKercher, Orphaned explores the huge task of cleaning up thousands of idle oil and gas wells...

This film explores how iconic Nevada Senator Harry Reid set the foundations for a green new deal.

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....