March of the Penguins

Bowling for Columbine

Tarnation

Planet Earth II: A World of Wonder

20 Years with the Dolphins

Megalopolis facing sea level rise

Grizzly Man

Cumbrian Red: Saving Our Red Squirrels

Climate Change: The Facts

Endangered Species

Kerkini: The Bird Sanctuary

Ultimate Enemies: Revealed

Muir Woods

Sicko

Beauty on the Wing: Life Story of the Monarch Butterfly

The Hummingbird Effect

An Inconvenient Truth

Kaktus Hotel

USA: A West Coast Journey

Over Hawaii