The 12th International Multidisciplinary Scientific GeoConference & EXPO SGEM2012 (Surveying Geology & mining Ecology Management) considers the questions concerned to the geology and mining, oil and gas, geodesy, photogrammetry, remote sensing, GIS, informatics, geoinformatics, micro and nanotechnologies, water resources, air and climate, ecosystems, soils, renewable energy, environmental protection, environmental economics. The SGEM2012 GeoConference will bring together scientists, educators, and practitioners representing research and educational institutions, companies, government agencies and consulting organizations from all over the world to exchange of ideas, to define the research priorities in the above fields and to propose potential solutions of problems related to the global changes. Workshops will be held as a parallel to the conference sessions. This is an additional opportunity for SGEM participants to exchange views and to learn about best practice in environmental rese