10 Oct '11, 6pm

Discarded glass bottles can be used to clean up water via @grist

Discarded glass bottles can be used to clean up water via @grist

Unless you're stranded on a desert island, you should not throw empty glass bottles in the water. But you SHOULD apparently grind up those bottles, mix the ground glass with lime and caustic soda , and put that in the water to clean out toxic heavy metals . The U.K. has backlogs of brown and green glass, because there's less recycling demand for the colored bottles than there is for clear ones. Now Dr. Nichola Coleman of the University of Greenwich has discovered that the unwanted glass can be used to filter water. The mixture of glass and caustic materials, heated at over 200 degrees, produces the mineral tobermorite, which can absorb heavy metals out of waste water and underground water reserves. Coleman is looking into using the glass to form barriers that keep contaminated water away from the clean stuff. This is currently done with cement, but making tobermorite out o...

Full article: http://www.grist.org/list/2011-10-10-discarded-glass-bott...

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Fit all You Can

ohsofickle.blogspot.com 13 Oct '11, 7am

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College Campuses Dump Disposable Water Bottles

triplepundit.com 09 Oct '11, 1pm

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Get minty clean

Get minty clean

daisygreenmagazine.co.uk 11 Oct '11, 7am

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switchboard.nrdc.org 11 Oct '11, 6am

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environmentalleader.com 10 Oct '11, 9am

For its spring line, Levi’s has produced almost 1.5 million pairs of jeans from its “Water<Less” range while saving 16 mil...

How to beat the Tea Party and win on clean energy:

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grist.org 11 Oct '11, 11am

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Cool Golf Stuff! Used, New, & Memorable

3balls.com 14 Oct '11, 9pm

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Changes in Arctic Sea Ice: Young and thin instead of old and bulky

Changes in Arctic Sea Ice: Young and thin inste...

skepticalscience.com 08 Oct '11, 8pm

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Mozart wrote for the glass harp. Only 3 or 4 people in the world can play that piece. Here's one:

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switchboard.nrdc.org 10 Oct '11, 1pm

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Water and Renewables: What Are the Options?

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renewableenergyworld.com 10 Oct '11, 4pm

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grist.org 12 Oct '11, 6pm

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Tuvalu, an island nation dear to the #climate fight, now has 3 days of fresh water left. @ClimateReality

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350.org 10 Oct '11, 11pm

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Water for crops, but farmworkers go thirsty via @grist

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grist.org 03 Oct '11, 7pm

Photo: Wayan Vota There are many hardships in the life of American farmworkers. One of the more shocking and pernicious of...

You Can Pay for Attention, or You Can Earn It

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seomoz.org 16 Oct '11, 12am

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Simple Water Collection for a Retrofit

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