Packaging giant Sonoco has announced that two of its plants have achieved landfill-free status. The Birmingham, Ala., Cascades Sonoco and York, Pa., Sonoco CorrFlex facilities went landfill-free in June and October respectively. The plant in Birmingham is currently diverting all of its waste through a combination of recycling, the use of waste-to-energy alternatives and composting, Sonoco says. In Pennsylvania, the Sonoco facility is using a combination of waste-to-energy technology and a comprehensive recycling program.