Environmental advocates are expressing their viewpoints in protests, at town halls, in open forums, online, and with the medium of film.

The Tribeca Film Festival recently released their feature film lineup with A River Below set to screen at the festival in late April. This documentary takes a modern look at the hunting the indigenous pink river dolphin to extinction.

National Geographic just released a trailer on YouTube for Water & Power: A California Heist. The documentary will premiere Tuesday, March 14 at 9/8 p.m.

Both of these impactful environmental films are taking a hard look at the environment we interact with everyday.

The Smog of the Sea, written, edited and directed by Ian Cheney, reveals the pollution within the oceans around the world.

Jack Johnson worked on camera, as well as on the cinematography and music for the film. Watch and connect with the entire documentary on YouTube.

Mark Phillips and CBS This Morning discovers the impact of climate change on a recent trip to Antarctica for our Climate Diaries series.

Watch over their coverage from Antarctica on YouTube.