Saturday, April 22 11 a.m. –  4 p.m. Come out and join UNC's Office of Waste Reduction and Recycling at the UNC Science Expo to celebrate Earth Day! We'll be set up and sharing some of our fun office friends again this year, "the worms". Come learn about vermicomposting, food waste reduction, and even meet the vermicomposters themselves. The 2017 UNC Science Expo is a free, family-friendly event offering more than 100 fascinating exhibits with hands-on experiments, riveting demonstrations, laboratory…