The volume collects the proceedings of the seminar "Weeding in the conservation of cultural heritage". It provides a picture of the state of the art on weed control in the conservation of cultural heritage with updated information on the authorization for use of glyphosate and the possible alternative and sustainable strategies. English Title: Weeding in the conservation of cultural heritage: state of the art on the use of glyphosate and sustainable alternative strategies keywords: Weeding, Glyphosate, conservation, cultural heritage, sustainable strategies