Food and Farm Greener Dairies - East Valley Tribune: Home

Food and Farm Greener Dairies

In this Aug. 29, 2013, photo cows stand in a chamber where the air flow can be controlled and gases in the air measured at a barn at the U.S. Dairy Forage Research Center in Prairie du Sac, Wis. Scientists are looking at whether changing cows’ diets can reduce the amount of methane they breathe out as they digest. Methane is a greenhouse gas. The information will be used to help farmers make their dairies more environmentally friendly. (AP Photo/M.L. Johnson)

Video: Winter in July at the Phoenix Zoo

The Phoenix Zoo held its annual Winter in July event on Saturday for the animals and an estima...

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