A study by USDA scientists finds that raising cows on grass, instead of in factory farms, produces fewer greenhouse-gas emissions and other pollutants.

by Marian Burros

RODALE NEWS, WASHINGTON, DC—Perhaps a study conducted by the U.S. Department of Agriculture (USDA), entitled “Putting Dairy Cows Out to Pasture—An Environmental Plus,” won’t put an end to the controversy over whether cows raised outdoors on grass are better for the environment than cows raised on grain in confinement. But the USDA’s findings on the matter are all the more remarkable considering that it’s only in recent years that the agency has acknowledged there’s a type of agriculture besides industrial agriculture, and it’s called sustainable.  [Read more]