This line researches complex systems, focusing on the balance between economic, social and environmental development. It covers studies of monitoring, characterization, sustainable use and assessment of water resources; environmental geology and climate changes including its implications in the planning and licensing of mining projects and land use and occupation; recovery of degraded areas by mining projects or by deforestation and inadequate land use; characterization and utilization of mine tailings; reduction of mining impacts in terms of water, air and soil contamination; bio-mining/bioremediation studies; assessment of social-economic and social-environmental impacts of mining at local and regional scale, including aspects related to urbanization; micro-sensors, computer vision, data analytics, computer systems applied in logistics, and railroad health and safety; sensor networks and other advanced computational techniques for environmental monitoring.