What are the Top 10 Green Cities in the United States? Perhaps not surprisingly, four of the top ten ?green cities? in the United States are located in California. San Diego, San Francisco, San Jose, and even Los Angeles are now considered green cities, because of the aggressive means used in the past few...

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In doing some research today on the differences between ethanol made from corn and ethanol made from sugarcane, I came across the following sentence: ?Cows are flatulent because they are fed corn, which they do not normally eat.? That set me off on another search, to find out if this was actually true. As...

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