One plant at a time, one weekend at a stretch, VinZant is helping to weed the 640,000-acre forest that is the playground and backdrop to Los Angeles. This is weeding on a Herculean scale.

University of Idaho Coeur d’Alene researchers have been granted a $139,000 award from the U.S. Department of Agriculture to develop a robotic weeding system at the U.S. Forest Service’s tree ...

University of Idaho Coeur d’Alene researchers have been granted a $139,000 award from the U.S. Department of Agriculture to develop a robotic weeding system at the U.S. Forest Service’s tree ...