The green economy. Water systems /
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...
| Other Authors: | , |
|---|---|
| Format: | Video |
| Language: | English |
| Language Notes: | In English. |
| Published: |
Wheeling, IL :
Film Ideas, Inc.,
2014.
|
| Series: | Academic Video Online
|
| Subjects: | |
| Online Access: | Connect to this streaming video (Alexander Street Press) |
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