Newly completed open source tutorial for the most sustainable approaches to styrofoam/polystyrene. #1 is do all you can not to purchase it. For the polystyrene you can\'t avoid though, this article provides many options for alternative uses.
https://www.onecommunityglobal.org/best-small-and-large-scale-polystyrene-styrofoam-recycling-reuse-and-repurposing-options/
