http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1 online resource (1 video file, approximately 21 minutes) : digital, .flv file, sound
We all need it and its much less common than you might think. The earth has plenty of water but only a small fraction of it is fresh and clean. Our rivers are much dirtier than people think so cleaning water for drinking is becoming the focus of numerous scientists. We take some of the dirtiest and make it clean and drinkable right before your eyes.
Originally produced by Film Ideas in 2014.