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.
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2
The world is a watery place. But just how much water exists on, in, and above our planet? This set of data and tables show the amounts of water on Earth.
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3
NBC Learn and the National Science Foundation explore the threats and challenges to our most vital natural resource.
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4
"Meet the scientists from the National Science Foundation's EarthScope program! This innovative program is essentially a network of observatories acting as an Earth """"telescope"""" focused on the exterior and interior structure and dynamics of our planet. To bring the program to lofe for students...
Grade Level   7 8 9 10 11 12
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5
Published in 2010
Did you know that only 1% of Earth's water is fresh and available for consumption? Fresh water is the world's most essential natural resource, but it's also one of the most threatened. National Geographic magazine's April issue celebrates and explores this important resource.
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