(Left to right) Pennsylvania State University agricultural engineer Michael Hile, ARS agricultural engineer Al Rotz and ARS research associate Felipe Montes use a dynamic flux chamber to measure the emission rates of gaseous compounds from manure on a dairy barn floor. ARS photo

This post is part of the Science Tuesday feature series on the USDA blog. Check back each week as we showcase stories and news from the USDA’s rich science and research portfolio.

News by USDA’s Agricultural Research Service (ARS) indicates that moving dairy cows out of climate-controlled barns and onto the land may help to lessen the ecological impact of dairy farming without any corresponding loss of production. Read more »