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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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This calculator helps you estimate your total water use. You know water comes from the tap, but do you know how much water goes into your sandwich? Your gadgets? The electricity that powers them? Soon you will!
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3
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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4
NBC Learn and the National Science Foundation explore the threats and challenges to our most vital natural resource.
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5
Thirsty for Knowledge? Let's Learn About Water! Do you know how much water a family of for uses every day in the United States? Not 50 gallons, not 100 gallons, but 400 gallons! You could take up to 10 baths with that much water -- but who would want to do that? Fortunately, there are many things we...
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