The Research Institute for Geo-Resources and Environment (GREEN) is an umbrella research unit operating under the GSJ. GREEN aims to make technical developments in quantitative assessments and exploration of natural resources, and utilization and preservation of underground environments, in order to contribute to political decision-making for natural resources and energy and/or the sustainable development of industries. GREEN also develops databases their geoscientific maps related to hydro-geological environments, mineral resources, fuel resources, and soil contamination, and dispatches worldwide as information of intellectual infrastructure.