Graphic Packaging International, Inc. (GPI) employees, students and teachers at schools across the country recycled their milk cartons and planted trees during Earth Week and throughout May as part of the Paperboard Packaging Council’s (PPC) TICCIT Program (Trees Into Cartons, Cartons Into Trees). The program promotes tree planting as a way to highlight that trees grown for paperboard packaging are sustainably managed and the need for recycling paperboard products. Nationwide, some 950 GPI te...