Fox Ranch, outside Yuma County, Colo., is a 14,000-acre nature preserve and working commercial cattle ranch. The ranch is used by the Nature Conservancy to put into practice its panned grazing technique. Luke Runyon/Harvest Public Media hide caption
ranching ranching
The alpine peaks of the Sierra Nevada Mountains in 2008. David McNew/Getty Images hide caption
Cattle and zebra share a meal in a pasture in Kenya. Ryan Lee Sensenig/Science hide caption