1. Increased carbon footprint of materials production driven by rise in investments;Hertwich;Nat. Geosci.,2021
2. Metal recycling: opportunities, limits, infrastructure: this is report 2b of the Global Metal Flows Working Group of the International Resource Panel of UNEP,2013
3. Environmental implications of future demand scenarios for metals: methodology and application to the case of seven major metals;Van der Voet;J. Ind. Ecol.,2019
4. Ellen Macarthur Foundation. (2012). Towards the circular economy vol. 1. https://www.ellenmacarthurfoundation.org/publications/towards-the-circular-economy-vol-1-an-economic-and-business-rationale-for-an-accelerated-transition.
5. Mineral commodity summaries 2021: U.S,2021