United States

Predicted National Water Shortages

Submitted by juniorb on

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http://www.circleofblue.org/waternews/2008/world/us-faces-era-of-water-scarcity/

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Predicted National Water Shortages

This map shows the extent of water shortages likely over the next decade.

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Water Use in Southwest Heads for a Day of Reckoning

Submitted by wrscpmd on
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Water Use in Southwest Heads for a Day of ReckoningJim Wilson/The New York Times

The Southern Nevada Water Authority is tunneling under Lake Mead to install an intake valve that could continue operating until water levels dropped below 1,000 feet.

Link: 

http://www.nytimes.com/2010/09/28/us/28mead.html?scp=1&sq=Water%20Use%20in%20Sou...

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Ton of CO2

Submitted by Chris Fex on

Source: 

http://www.energyrace.com/images/uploads/commentary/co2cube4.jpg

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Ton of CO2
CommentaryWhat Does a Ton of CO2 Look Like?

March 10th, 2008 by jayb

Dave Ames, a science teacher at Cohasset High School in Cohasset, Massachusetts built a large cube that represents the size of 1 ton of carbon dioxide. Take a look.

OK, yes.  CO2 (carbon dioxide) is invisible.  But it's still interesting to see how much space a ton of CO2 would take up if it were sitting in front of you. 

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