The Lost Salmon

American Ocelot tells the story of one of the most endangered and beautiful wild cats in the United States — a species so elusive that...

A look at how climate change affects our environment and what society can do to prevent the demise of endangered species, ecosystems, and native...

The story of the cross destiny of George Orwell (1903-50) and Aldous Huxley (1894-1963), the genius authors of the two most groundbreaking novels of...

Uses animation and live action photography to describe good food chains, almost all depending ultimately on green plants, and relates these food...

With Pete Smith providing dry off-screen commentary, we watch some serious fishing: a marlin caught near Catalina, a hammerhead shark caught then...

Fish are an important part of the ecosystem and the human diet. Unfortunately, overfishing has depleted many fish stocks, and the proposed solution...

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....

Documentary on water usage, money, politics, the transformation of nature, and the growth of the American west, shown on PBS as a four-part...

The biggest tech revolution of the 21st century isn’t digital, it’s biological. A breakthrough called CRISPR gives us unprecedented...

Through revealing interviews with experts and victims' families, this gripping documentary examines the problem of deadly foodborne illness in the US.

The philanthropic foundation set up by US billionaire Bill Gates quietly co-finances experiments with genetically modified organisms (GMOs) in...

Naturalist, Alex Valdez, and a team of young documentary filmmakers will take us on an adventure to discover an unknown ecological sanctuary deep in...