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By TED-Ed
Published in 2013
Fresh water accounts for only 2.5% of Earth's water, yet it is vital for human civilization. What are our sources of fresh water? In the first of a two part series on fresh water, Christiana Z. Peppard breaks the numbers down and discusses who is using it and to what ends.
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2
The Environmental Awareness Series is a major project in AGI's Environmental Affairs program. The series booklets cover major topics of environmental and societal concern and demonstrate the complexity and interconnection of natural systems that we use and depend upon. Each booklet is an effective...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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3
Geology videos from the great state of Washington!  ‘2 Minute Geology’ videos - plus longer videos devoted to Seattle, the Columbia River Gorge, and more.
Grade Level   3 4 5 6 7 8 9 10 11 12
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