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The Real Cost of Going Green

By Bloomberg Rankings - 2012-04-20T22:39:48Z

Photograph by Flickr/Getty Images

Company Symbol % Change
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Conserve Water

About 70 percent of the earth is covered with water, yet less than 1 percent is potable, according to the American Water Works Association. The EPA says a family of four uses 400 gallons of water every day; 27 percent of that is to flush the toilet.

$42: Low-flow shower head reduces water use by up to one gallon per minute and can save $100 annually --
$16: TriMax Faucet Aerator lets you adjust flow rates --
$198: Glacier Bay toilet. Uses one gallon per flush --

Read more energy & sustainability news.