You can’t get there by GPS. There are no signs to direct you. But just yards from Hwy 49 in Milledgeville, a little hillside with a great view is abuzz with the sounds and smells of rotating and baking leftover food. An all-female team works this spot and plans to sell their compost, starting this fall. Not many universities have a student-led compost program. The site diverts about 1,000 pounds of food waste from the Georgia College & State University dining hall every week. That’s...