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There are 7 videos in this category and 0 videos in 0 subcategories.
Category Videos
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Not Right For WatchKnowLearn
Ages: 11 - 18
805 Views:
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More than three decades after the Clean Water Act, iconic American waterways like the Chesapeake Bay and Puget Sound are in perilous condition and facing new sources of contamination. In this special collection of educational resources from FRONTLINE... Poisoned Waters, correspondent Hedrick Smith investigates the growing hazards to our waterways and emerging threats to human health. Run time 05:05.
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November 1, 2010 at 08:32 PM
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Not Right For WatchKnowLearn
Ages: 11 - 18
1101 Views:
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More than three decades after the Clean Water Act, iconic American waterways like the Chesapeake Bay and Puget Sound are in perilous condition and facing new sources of contamination. In this special collection of educational resources from FRONTLINE... Poisoned Waters, correspondent Hedrick Smith investigates the growing hazards to our waterways and emerging threats to human health. (05:05)
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November 1, 2010 at 08:42 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
876 Views:
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More than three decades after the Clean Water Act, iconic American waterways like the Chesapeake Bay and Puget Sound are in perilous condition and facing new sources of contamination. In this special collection of educational resources from FRONTLINE... Poisoned Waters, correspondent Hedrick Smith investigates the growing hazards to our waterways and emerging threats to human health. Run time 05:54.
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November 1, 2010 at 08:14 PM
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Not Right For WatchKnowLearn
Ages: 11 - 18
837 Views:
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More than three decades after the Clean Water Act, iconic American waterways like the Chesapeake Bay and Puget Sound are in perilous condition and facing new sources of contamination. In this special collection of educational resources from FRONTLINE... Poisoned Waters, correspondent Hedrick Smith investigates the growing hazards to our waterways and emerging threats to human health. Run time 06:00.
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November 1, 2010 at 07:51 PM
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Not Right For WatchKnowLearn
Ages: 11 - 18
810 Views:
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More than three decades after the Clean Water Act, iconic American waterways like the Chesapeake Bay and Puget Sound are in perilous condition and facing new sources of contamination. In this special collection of educational resources from FRONTLINE... Poisoned Waters, correspondent Hedrick Smith investigates the growing hazards to our waterways and emerging threats to human health. Run time 10:10.
[more]
November 1, 2010 at 08:19 PM
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Not Right For WatchKnowLearn
Ages: 11 - 18
796 Views:
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More than three decades after the Clean Water Act, iconic American waterways like the Chesapeake Bay and Puget Sound are in perilous condition and facing new sources of contamination. In this special collection of educational resources from FRONTLINE... Poisoned Waters, correspondent Hedrick Smith investigates the growing hazards to our waterways and emerging threats to human health. Run time 04:20.
[more]
November 1, 2010 at 08:09 PM
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Not Right For WatchKnowLearn
Ages: 11 - 18
788 Views:
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More than three decades after the Clean Water Act, iconic American waterways like the Chesapeake Bay and Puget Sound are in perilous condition and facing new sources of contamination. In this special collection of educational resources from FRONTLINE... Poisoned Waters, correspondent Hedrick Smith investigates the growing hazards to our waterways and emerging threats to human health. Run time 05:15.
[more]
November 1, 2010 at 08:26 PM
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