1. The Circular Economy for Plastics is Moving Forward in Europe, but Challenges Remain;Carlin C.;Conference Report. Plast. Eng.,2019
2. https://www.usda.gov/media/blog/2018/09/19/new‐industrial‐revolution‐plastics
3. www.en.wikipedia.org/wiki/fossil_fuel_divestment accessed July 2020.