Pedestrians and bicyclists along the Colorado Riverfront Trail in Grand Junction may have noticed something out of the ordinary this spring. In some fenced-off sections near Blue Heron Lake, 700 goats ...

A herd of goats graze on land in Bannock County as part of a partnership between the Sagebrush Steppe Land Trust and the Idaho Goat Grazers to address invasive weeds. (Photo by Liz Cartwright for the ...

Nearly 250 weed species are now resistant to the herbicides meant to control them, according to the Weed Science Society of America. It means chemical weed killers are becoming less effective. They ...