This document can also be found on the official website of the International Committee of the Red Cross at: https://international-review.icrc.org/.This article studies the linkages between water and international peace and security, highlighting the potential of water as a path for contributing to the return to peace. The article will be helpful to humanitarian practitioners who are trying to protect the environment before and after conflict. This resource is part of the collection "Environmental Impacts of Armed Conflicts". Collections are monitored daily and new content is added.