Authors: Vanessa Forti, Cornelis Peter Bald, Ruediger Kuehr, Garam Bel Contributions by: S. Adrian, M. Brune Drisse, Y. Cheng, L. Devia, O. Deubzer, F. Goldizen, J. Gorman, S. Herat, S. Honda, G. Iattoni, W. Jingwei, L. Jinhui, D.S. Khetriwal, J. Linnell, F. Magalini, I.C. Nnororm, P. Onianwa, D. Ott, A. Ramola, U. Silva, R. Stillhart, D. Tillekeratne, V. Van Straalen, M. Wagner, T. Yamamoto, X. Zeng,Supporting Contributors,The Global E-waste Monitor 2020 Quantities, flows, and the circular econ