Carlos Ovalle will give the intensive course "Analysis and design of tailings facilities, and use of waste rock inclusions", during the 2021 virtual Symposium on the environment and mines, organized by the University of Quebec in Abitibi-Témiscamingue and the Canadian Institute of Mining, Metallurgy and Petroleum (ICM), June 14-16, 2021, online (https://rouyn-noranda2021.cim.org/).