Documentary about unsafe drinking water in various locations across the United States due to manmade pollution, outdated infrastructure and natural toxins.

Made by journalism students as part of the News21.com project at Arizona State University, USA. this documentary is part of a wider investigation which includes long form written articles and news photography. You can view the entire investigation at troubledwater.news21.com

Posted here under Creative Commons Attribution 3.0 US licence (creativecommons.org/licenses/by/3.0/us/). Complete production credits are shown at the end of the video from timestamp 26:35.

NASA documentary on extraterrestrial life presented by Orson Welles, with contributions from various scientists including Carl Sagan.

The documentary is public domain, as are almost all videos released by NASA.