Blue Angel eco-label for textiles : background report on the revision of the Blue Angel award criteria for textiles (DE-UZ 154, January 2023 edition) : sub-report / by Jennifer Teufel, Katja Moch, Siddharth Prakash, Andreas Köhler (Oeko-Institut e.V., Freiburg), Ismene Jäger (Hydrotox - Laboratory for Ecotoxicology and Water Protection GmbH, Freiburg), Christina Vogel, Ria Müller (Institute for Ecological Economy Research (IÖW), Berlin) ; on behalf of the German Environment Agency ; conducting the study: Oeko-Institut e.V. ; editorial: Subject area III 1.3 Ecodesign, eco-labelling, green procurement - Dr. Kristin Stechemesser