"Hiring Lambs As Landscapers"

"Wine makers are shaking things up in their vineyards.  Some of them use natural and organic methods to control pests and weeds instead of using pesticides.  Now, one winery has discovered a unique, natural way to prune their grape vines.  The Environment Report's Joyce Kryszak visited the winery to get a firsthand look." Aired the week of July 6, 2009.