Features abandoned mine history, safety, and safeguarding techniques.

Green building pioneers are making their part of the "built environment" a more energy-efficient and environmentally friendly place. Each project is a proving ground.

An international team of adventurers, researchers, and Ocean ambassadors go on a mission around the globe to uncover the shocking truth about what is truly lurking beneath the surface our seemingly pristine ocean. The result will astound viewers, just as it did our adventurers, who captured never-before-seen images of marine life, plastic pollution, and its ultimate consequences for human health.

A deadly recipe threatens the survival of countless creatures throughout Earth's ocean: carbon dioxide. With carbon emissions sharply rising, the silent killer is entering the seas at a staggering rate, raising the oceans' acidity. As a result, the skeletons and shells of marine creatures that form the foundation of the web of life are dissolving. Can experts crack the code of a rapidly changing ocean before it is too late? Follows scientists who...

A timely documentary that raises urgent questions about how we travel and the unintended cultural and environmental consequences of tourism around the globe. Gringo Trails follows well-worn travelers' routes through Bolivia, Thailand, Mali, and Bhutan and reveals the complex relationships between colliding cultures, such as the host countries' need for financial security and the tourists who provide it in their quest for authentic experiences. Through...

It explores the coal-to-renewables transition on the Navajo Nation and across northern Arizona through the stories of workers, their families and communities, business and tribal leaders, utility executives, policy makers and environmental activists. The film offers a roadmap for accelerating and navigating just energy transitions for workers and communities everywhere.

From the width of a football field to the size of a small city, the space rocks called asteroids have the potential to be killers. But some asteroids may be loaded with billions of dollars' worth of iron, nickel and even platinum. Will asteroids turn out to be our economic salvation or instruments of extinction?

"More than three decades after the Clean Water Act, two iconic waterways -- the great coastal estuaries of Puget Sound and the Chesapeake Bay -- are in perilous condition. With polluted runoff still flowing in from industry, agriculture and massive suburban development, scientists fear contamination to the food chain and drinking water for millions of people. A growing list of endangered species also is threatened in both estuaries. [This film] examines...

Featuring live action and animation, this movie examines the history and current state of the living organic matter that we come from and will later return to.

In 2009, filmmaker Josh Fox learned his land was on top of the Marcellus Shale, a giant reservoir of natural gas, and that he would be paid to lease his land for natural gas extraction. Fox documented his cross-country trek to find out if the controversial process of hydraulic fracking is actually safe. What he unearthed was a shocking discovery about a practice that is understudied and inadequately regulated, and he raced to find answers about fracking...