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Posted Thu Apr 22 2010: from Science News:
Rural ozone can be fed by feed (as in silage)
Livestock operations take a lot of flak for polluting. Manure lagoons not only irritate neighbors' noses but also leak nitrogen -- sometimes fostering dead zones up to 1,000 miles downstream. And ruminants can release copious amounts of methane, a greenhouse gas. Researchers are now linking ozone to livestock as well. But this time the pollution source is not what comes out the back end of an animal but what's destined to go in the front... o they began investigating animal feed, Howard says -- especially silage, grain "which has been [deliberately] fermented" and as such comes laced with a lot of alcohol... "Ethanol and especially larger alcohol species account for more than 50 percent of the ozone formation for most types of feed," Howard and his colleagues now report online, ahead of print, in Environmental Science & Technology.
[Read more stories about: corporate farming, anthropogenic change, climate impacts]

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'Doc Michael says:
Aren't our lives secondary to our livestock?

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