Water: Science and Issues
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SIGG USA - Eco-Friendly, Reusable Swiss Water Bottles!
I use the sports tops (http://mysigg.com/index.asp?PageAction=VIEWPROD&ProdID=346) for exercising. ... Active top (http://mysigg.com/index.asp?PageAction=VIEWPROD&ProdID ...
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Encyclopedia - Britannica Online Encyclopedia
Official site of the Encyclopedia Britannica, one of the world's best-known reference books. Find short encyclopedia entries and definitions, or register for complete access.
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NSF International
Third-party testing laboratory focusing on environmental quality.
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Climate Change: Discovery of Global Warming
Spencer Weart's hypertext history of how scientists came to (partly) understand what people are doing to cause climate change.
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Wikipedia
Wikipedia is a free, open content, community-built encyclopedia with thousands of articles on topics from A to Z. Available in dozens of languages.
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EarthPortal » Home
Comprehensive resource for science-based information about the environment. ... About the EarthPortal. Community of Scholars. EoE: Educators' Feedback ...
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USGS Water Use in the United States
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Encyclopedia Smithsonian: The Smithsonian from A to Z
Encyclopedia Smithsonian, Links to on-line Smithsonian Resources and Answers to Frequently Asked Questions from Art to Zoo, Design, Crafts, Science, History, ...
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James Randi Educational Foundation — An Encyclopedia of Claims, Frauds, and Hoaxes of the Occult and Supernatural
The James Randi Educational Foundation is a non-profit learning resource aimed at promoting critical thinking everywhere. ... At long last we're able to get ...
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Earth Science data and services directory: Global Change Master Directory Web Site
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