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At World Dairy Expo we got an update on the U.S. Dairy Sustainability Awards program from Dairy Management, Inc.

I'll refrain from making too many wisecracks about cow emissions.  This is, after all, a family newspaper and I do have standards.

The California Energy Commission stepped into the issue the other day, filling a room with 100 energy entrepreneurs, developers, lobbyists and utility executives, plus a smattering of consumer advocates and environmentalists.

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Farmers throughout the country now have access to a new tool that can help them lower air emissions and focus their environmental actions.

More than 20 university professionals and 15 partner agencies joined forces to create the National Air Quality Site Assessment Tool (NAQSAT), a method for determining where air-quality improvement opportunities exist on-farm.

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In its continuing quest to shrink the size of its “carbon footprint,” the U.S. dairy industry has published its first “sustainability progress report.”

A carbon footprint is a measure of the amount of carbon dioxide equivalents generated. Carbon dioxide is one of the greenhouse gases (GHG) thought to contribute to climate change.

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A study by university researchers in California has determined that most of the antibiotics administered to dairy cows never reach ground water.

Researchers at the University of California-Davis call it the first large study tracking the "wide range" of antibiotics given to dairy cows.

The researchers found that, while the antibiotics are routinely flushed from dairy floors and into manure lagoons, they mostly break down in upper layers of soil.