1. Plastics: Material-Specific Data. Available from: http://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/plastics-material-specific-data, 2018 data reported in 2021.
2. State Plastics Bag Legislation. Available from: http://www.ncsl.org/research/environment-and-natural-resources/plastic-bag-legislation.aspx; 2021.
3. Fighting Plastics Pollution. Available from: http://www.greenpeace.org/usa/issues/fighting-plastic-pollution; 2021.
4. H.R. 1321 Microbead-Free Waters Act of 2015; 2015.
5. H.B. 3379 Illinois General Assembly Plastic Straw Ban; 2019.