Th e manual off ers studies by International Charitable Environmental Law Organization «Environment-People-Law» (EPL) on the impact of military operations on the environment in eastern Ukraine, evaluation of damage caused to the environment, provides key environmental features in Donetsk and Luhansk regions before the confl ict, investigates factors about pollution and destruction of environmenal objects caused by military actions, including air, soil and water pollution, forest fi res, destruction of protected sites, provides the analysis of international studies of damage caused to the environment as a result of military confl ict conducted by international organizations in post-confl ict countries, lists key aspects of national and international environmental law during hostilities. Th e manual is designed for civil servants, representatives of civil society and for all who care about environment protection, health and life in eastern Ukraine for present and future generations.