Saving time, money and the environment, the Arizona Department of Transportation is recycling asphalt from an old road to pave a new section of the Interstate-10 highway between Tucson and Phoenix. Kamil Kaloush, a Fulton Schools professor of civil, environmental and sustainable engineering, says such recycling — if performed correctly — can also help save energy and limit carbon dioxide emissions that add to the troublesome greenhouse gases accumulating in the atmosphere. The article was also published in the Tucson Sentinel.