The ITN PANORAMA (H2020 Innovative Training Network EuroPean trAining NetwOrk on Rare eArth elements environMental trAnsfer: from rock to human) is organising a workshop on "colloids and nanoparticles: vectors of rare earth elements into the environment" from Monday the 13th to Wednesday the 15th of December 2021 at the SOLEIL synchrotron (Saint Aubin).