1
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.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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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
Published in 2004
This DragonflyTV segment demonstrates how infrared imaging helps us to understand the Martian landscape, and how to use an infrared camera to find groundwater.
Grade Level   4 5 6
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