Got gas?It's not just cars and factories that spew air-polluting gases, A recent report says that dairy farms, and the cows that live there, may be the main source of air pollution in California's San Joaquin Valley Noun 1. San Joaquin Valley - a vast valley in central California known for its rich farmland Calif., California, Golden State, CA - a state in the western United States on the Pacific; the 3rd largest state; known for earthquakes , How could cows create such a pollution problem? As these animals digest food, gases called volatile organic compounds volatile organic compound Environment Any toxic cabon-based (organic) substance that easily become vapors or gases–eg, solvents–paint thinners, lacquer thinner, degreasers, dry cleaning fluids (VOCs) are produced by microorganisms in their stomachs. When a cow burps, it spews these gases into the air, where they react with sunlight and other compounds to produce a brownish haze called smog. Scientists say that belching belching see eructation. bovines are only part of the smog problem. Car exhaust, for instance, also adds VOCs to the air, says Frank Mitloehner, an animal scientist at the University of California-Davis. But with 2.5 million cows roaming The ability to use a communications device such as a cellphone or PDA and be able to move from one cell or access point to another without losing the connection. the San Joaquin Valley, their pollution-producing gases can build fast. |
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