Park Stories: Great Grass of Fire

Imported from Africa seventy years ago to fight erosion, the buffelgrass plant is now spreading throughout Saguaro National Park and the hillside communities of Tucson, Arizona, bringing with it the risk of catastrophic wildfire. Host Jim Williams takes us to Saguaro National Park to meet some of the volunteers that are pulling the grasses like mad, and the scientists that are keeping close watch on this fire fight.