1. Give cities a seat at the top table
2. Akullian, A., Karp, C., Austin, K. & Durbin, D. (2006). Plastic bag externalities and policy in Rhode Island. Brown Policy Review, Brown University, Providence, Rhode Island.
3. American Legislative Exchange Council (ALEC). (2015). Regulating containers to protect business and consumer choice. www.alec.org/model-policy/regulating-containers-to-protect-business-and-consumer-choice/