The "Vulnerability Sourcebook", which was commissioned by the Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) and developed jointly by adelphi and the European Academy of Bozen (EURAC), offers a comprehensive tool for conducting regular vulnerability assessments. The Sourcebook provides a standardised approach to vulnerability assessments covering a broad range of sectors and topics (e.g. water sector, agriculture, fisheries, different ecosystems) as well as different spatial levels (community, sub-national, national) and time horizons (e.g. current vulnerability or vulnerability in the medium- to long-term). In the resourceful annex technical and adaptation experts will find a wide range of practical tools and templates.