Ambassadors of the Sky

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

After spending 15 years working in the conventional funeral industry, John Christian Phifer is paving uncharted territory to help create Larkspur...

This series also covers the essential concepts of astronomy: gravity, the light spectrum, Earth's magnetic field, the solar system, the sun, Kepler's...

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

A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.

Narrated by Academy Award winners Sissy Spacek and Herbie Hancock, River of Gold is the disturbing account of a clandestine journey into Peru's...

An epic journey along Africa's Great Green Wall — an ambitious vision to grow a wall of trees stretching across the entire continent to fight...

The Smog of the Sea chronicles a 1-week journey through the remote waters of the Sargasso Sea. Marine scientist Marcus Eriksen invited onboard an...

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...

A young couple battle entrenched tradition and hostile forces to bet on nature for the future of their failing, four-hundred-year-old estate. Ripping...

Documentary about the Griffith Observatory, shown at their Leonard Nimoy Event Horizon Theater