Critical Mass

Feeling disgruntled, a group of punks start a litter picking group to counter the amount of litter their community faces.

A decade after An Inconvenient Truth brought climate change into the heart of popular culture comes the riveting and rousing follow-up that shows...

In an era of throw-away ease, convenience has cost us our well-being. Plastics have been found inside our bodies— in our colons, our brains,...

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

Ten years after the film Home (2009), Yann Arthus-Bertrand looks back, with Legacy, on his life and fifty years of commitment. It's his most personal...

"Losing The West" is a documentary film that promotes small ranching and farming, as told through the eyes of a 70-year-old Native American cowboy....

Ben Fogle spends a week living inside the Chernobyl Exclusion Zone, gaining privileged access to the doomed Control Room 4 where the disaster first...

Since the late 1970s, the dangers of the sun to health have been widely recognized. As a result, the global turnover in the sunscreen industry is...

Passionate about ocean life, a filmmaker sets out to document the harm that humans do to marine species — and uncovers an alarming global...

On April 27th, at 2pm, National Geographic is using a version of the Environmental Performance Index to take a "pulse" of how countries are ...

In the cobalt mining areas of Katanga in the Democratic Republic of the Congo (DRC), babies are being born with horrific birth defects. Scientists...

Named for the man many consider the father of the modern environmental movement, the David Brower Center was founded on the idea that when diverse...