Exploitation of natural resources has, in most cases, a strong impact on the environment, often even spoiling natural habitats and affecting people\u2019s way of life. The exploitation and trade of minerals can also fuel armed conflicts, as it is the case in the East of the Democratic Republic of the Congo (DRC). The use of Earth Observation to support the monitoring of mining activities within the G-MOSAIC project aims at aiding political decision-making and at linking Peace and Conflict Research with the geo-spatial analysis techniques of the Remote Sensing and Geographical Information System (GIS) Community. This article, describes a specific case study, in which the German Aerospace Center (DLR) and the International Peace Information Service (IPIS) cooperated closely within the G-MOSAIC project to monitor and document formal and informal mining operations in the DRC.<\/p>\n