As one of the oldest, if not the oldest, packaging materials, paper was also one of the earliest package types to be recycled and is the topic for part three of a six-part sustainability sit-down with Packaging World editors Anne Marie Mohan and Matt Reynolds. Mohan and Reynolds cover sustainability and packaging materials daily for Packaging World. The pair discuss how paper’s relative ease to recycle created growth in its use in place of plastic films and even bottles. Plus, we get to the bottom of exactly what to do with pizza boxes when it comes to recycling.