02 Aug '11, 3pm

NASA will clean up contaminated soil with salad dressing:

There's an upside to the end of the space shuttle program: Now that the shuttle has been grounded, NASA can turn its attention to acres of contaminated soil and groundwater , the result of chemical spills from shuttle launches. And they're doing it in a novel way: with an oil-based emulsion that's made of corn and looks like dressing. The technique was first designed in scribbles on the back of a napkin, perhaps after eating a salad. Cleaning up the plumes of toxic, carcinogenic chemicals from the spills has cost NASA $128 million over the last 22 years, at Kennedy Space Center alone. (The Air Force has spent another $175 million at Cape Canaveral.) And that's only the beginning. NASA estimates that completing the cleanup could cost the agency another billion, require $50 million more from the Air Foce, and take at least another 30 years -- and maybe as many as 100. Some o...

Full article: http://www.grist.org/list/2011-08-02-nasa-will-clean-up-c...

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White Salad with Lemon, Garlic Dressing

White Salad with Lemon, Garlic Dressing

treehugger.com 03 Aug '11, 10pm

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treehugger.com 02 Aug '11, 4pm

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grist.org 05 Aug '11, 1pm

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green.blogs.nytimes.com 03 Aug '11, 4pm

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What’s next for clean energy: via @grist

grist.org 02 Aug '11, 5pm

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Shell Accepts Liability For Nigerian Oil Spills...

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Prior to reversing its position in the last few days, Shell would only acknowledge that 40,000 gallons of oil had spilled....