This note for the record summarizes the discussion points of the 2023 HNPW coordinated by the WREC and Groupe URD with the participation of Karolina KALINOWSKA (Policy Officer DG ECHO), Camille THERON (Environmental Advisor Réseau Environnement Humanitaire - REH). The session focused on the advantages and challenges associated with mutualization efforts across the humanitarian sector to mainstream environmental considerations and requirements in humanitarian response.