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Cow feed may be causing CA air problem


May 11, 2010
By The Associated Press

Topics

April 30, 2010, Fresno, CA
— Air officials for years have blamed dairy cow emissions for the unusually
high ozone levels in California’s San Joaquin Valley, but a new study points
more to what goes into the animals than what comes out.


April 30, 2010, Fresno, CA
— Air officials for years have blamed dairy cow emissions for the unusually
high ozone levels in California’s San Joaquin Valley, but a new study points
more to what goes into the animals than what comes out.

The study — funded by the
U.S. Department of Agriculture, California Air Resources Board and the San
Joaquin Valley Air Pollution Control District
— initially was intended to
measure the impact of animal manure, urine and flatulence on ozone levels.

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